Home / 28,101.09-38,781.25-16,164.16

Finding the Fourth Proportional to 28,101.09, 38,781.25 and 16,164.16

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Solution

The fourth proportional to 28,101.09, 38,781.25 and 16,164.16 is: 22,307.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,101.09 : 38,781.25 = 16,164.16 : x
  2. Step 2: Convert to fraction form
    28,101.09/38,781.25 = 16,164.16/x
  3. Step 3: Cross multiply
    28,101.09x = 38,781.25 × 16,164.16
  4. Step 4: Simplify right side
    28,101.09x = 626,866,192.64
  5. Step 5: Solve for x
    x = 626,866,192.64/28,101.09
  6. Step 6: Final answer
    x = 22,307.54

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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.