Home / 27,531.71-37,987.21-16,201.70

Finding the Fourth Proportional to 27,531.71, 37,987.21 and 16,201.70

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Solution

The fourth proportional to 27,531.71, 37,987.21 and 16,201.70 is: 22,354.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,531.71 : 37,987.21 = 16,201.70 : x
  2. Step 2: Convert to fraction form
    27,531.71/37,987.21 = 16,201.70/x
  3. Step 3: Cross multiply
    27,531.71x = 37,987.21 × 16,201.70
  4. Step 4: Simplify right side
    27,531.71x = 615,457,380.26
  5. Step 5: Solve for x
    x = 615,457,380.26/27,531.71
  6. Step 6: Final answer
    x = 22,354.49

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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.