Home / 28,425.53-39,227.49-16,489.07

Finding the Fourth Proportional to 28,425.53, 39,227.49 and 16,489.07

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Solution

The fourth proportional to 28,425.53, 39,227.49 and 16,489.07 is: 22,755.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,425.53 : 39,227.49 = 16,489.07 : x
  2. Step 2: Convert to fraction form
    28,425.53/39,227.49 = 16,489.07/x
  3. Step 3: Cross multiply
    28,425.53x = 39,227.49 × 16,489.07
  4. Step 4: Simplify right side
    28,425.53x = 646,824,779.50
  5. Step 5: Solve for x
    x = 646,824,779.50/28,425.53
  6. Step 6: Final answer
    x = 22,755.06

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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.