Home / 57,560.04-86,335.85-18,128.43

Finding the Fourth Proportional to 57,560.04, 86,335.85 and 18,128.43

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Solution

The fourth proportional to 57,560.04, 86,335.85 and 18,128.43 is: 27,191.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,560.04 : 86,335.85 = 18,128.43 : x
  2. Step 2: Convert to fraction form
    57,560.04/86,335.85 = 18,128.43/x
  3. Step 3: Cross multiply
    57,560.04x = 86,335.85 × 18,128.43
  4. Step 4: Simplify right side
    57,560.04x = 1,565,133,322.57
  5. Step 5: Solve for x
    x = 1,565,133,322.57/57,560.04
  6. Step 6: Final answer
    x = 27,191.32

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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.