Home / 28,090.54-38,752.89-16,151.35

Finding the Fourth Proportional to 28,090.54, 38,752.89 and 16,151.35

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Solution

The fourth proportional to 28,090.54, 38,752.89 and 16,151.35 is: 22,281.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.54 : 38,752.89 = 16,151.35 : x
  2. Step 2: Convert to fraction form
    28,090.54/38,752.89 = 16,151.35/x
  3. Step 3: Cross multiply
    28,090.54x = 38,752.89 × 16,151.35
  4. Step 4: Simplify right side
    28,090.54x = 625,911,489.90
  5. Step 5: Solve for x
    x = 625,911,489.90/28,090.54
  6. Step 6: Final answer
    x = 22,281.93

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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.