Home / 28,918.13-39,909.09-17,585.52

Finding the Fourth Proportional to 28,918.13, 39,909.09 and 17,585.52

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Solution

The fourth proportional to 28,918.13, 39,909.09 and 17,585.52 is: 24,269.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,918.13 : 39,909.09 = 17,585.52 : x
  2. Step 2: Convert to fraction form
    28,918.13/39,909.09 = 17,585.52/x
  3. Step 3: Cross multiply
    28,918.13x = 39,909.09 × 17,585.52
  4. Step 4: Simplify right side
    28,918.13x = 701,822,100.38
  5. Step 5: Solve for x
    x = 701,822,100.38/28,918.13
  6. Step 6: Final answer
    x = 24,269.28

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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.