Home / 28,233.60-38,979.26-17,637.59

Finding the Fourth Proportional to 28,233.60, 38,979.26 and 17,637.59

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Solution

The fourth proportional to 28,233.60, 38,979.26 and 17,637.59 is: 24,350.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,233.60 : 38,979.26 = 17,637.59 : x
  2. Step 2: Convert to fraction form
    28,233.60/38,979.26 = 17,637.59/x
  3. Step 3: Cross multiply
    28,233.60x = 38,979.26 × 17,637.59
  4. Step 4: Simplify right side
    28,233.60x = 687,500,206.38
  5. Step 5: Solve for x
    x = 687,500,206.38/28,233.60
  6. Step 6: Final answer
    x = 24,350.43

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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.