Home / 28,293.22-39,064.17-17,687.62

Finding the Fourth Proportional to 28,293.22, 39,064.17 and 17,687.62

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Solution

The fourth proportional to 28,293.22, 39,064.17 and 17,687.62 is: 24,421.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.22 : 39,064.17 = 17,687.62 : x
  2. Step 2: Convert to fraction form
    28,293.22/39,064.17 = 17,687.62/x
  3. Step 3: Cross multiply
    28,293.22x = 39,064.17 × 17,687.62
  4. Step 4: Simplify right side
    28,293.22x = 690,952,194.58
  5. Step 5: Solve for x
    x = 690,952,194.58/28,293.22
  6. Step 6: Final answer
    x = 24,421.12

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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.