Home / 28,097.44-38,775.58-16,160.76

Finding the Fourth Proportional to 28,097.44, 38,775.58 and 16,160.76

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Solution

The fourth proportional to 28,097.44, 38,775.58 and 16,160.76 is: 22,302.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,097.44 : 38,775.58 = 16,160.76 : x
  2. Step 2: Convert to fraction form
    28,097.44/38,775.58 = 16,160.76/x
  3. Step 3: Cross multiply
    28,097.44x = 38,775.58 × 16,160.76
  4. Step 4: Simplify right side
    28,097.44x = 626,642,842.24
  5. Step 5: Solve for x
    x = 626,642,842.24/28,097.44
  6. Step 6: Final answer
    x = 22,302.49

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Find fourth proportional to 14,048.72, 19,387.79 and 8,080.38
Half scale
Find fourth proportional to 56,194.88, 77,551.16 and 32,321.52
Double scale
Find fourth proportional to 28,098.44, 38,776.96 and 16,161.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.