Home / 28,569.69-39,426.17-17,391.69

Finding the Fourth Proportional to 28,569.69, 39,426.17 and 17,391.69

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Solution

The fourth proportional to 28,569.69, 39,426.17 and 17,391.69 is: 24,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,569.69 : 39,426.17 = 17,391.69 : x
  2. Step 2: Convert to fraction form
    28,569.69/39,426.17 = 17,391.69/x
  3. Step 3: Cross multiply
    28,569.69x = 39,426.17 × 17,391.69
  4. Step 4: Simplify right side
    28,569.69x = 685,687,726.53
  5. Step 5: Solve for x
    x = 685,687,726.53/28,569.69
  6. Step 6: Final answer
    x = 24,000.53

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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.