Home / 21,589.47-32,331.96-17,864.28

Finding the Fourth Proportional to 21,589.47, 32,331.96 and 17,864.28

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Solution

The fourth proportional to 21,589.47, 32,331.96 and 17,864.28 is: 26,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.47 : 32,331.96 = 17,864.28 : x
  2. Step 2: Convert to fraction form
    21,589.47/32,331.96 = 17,864.28/x
  3. Step 3: Cross multiply
    21,589.47x = 32,331.96 × 17,864.28
  4. Step 4: Simplify right side
    21,589.47x = 577,587,186.39
  5. Step 5: Solve for x
    x = 577,587,186.39/21,589.47
  6. Step 6: Final answer
    x = 26,753.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.