Home / 57,565.47-86,223.22-27,921

Finding the Fourth Proportional to 57,565.47, 86,223.22 and 27,921

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Solution

The fourth proportional to 57,565.47, 86,223.22 and 27,921 is: 41,820.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,565.47 : 86,223.22 = 27,921 : x
  2. Step 2: Convert to fraction form
    57,565.47/86,223.22 = 27,921/x
  3. Step 3: Cross multiply
    57,565.47x = 86,223.22 × 27,921
  4. Step 4: Simplify right side
    57,565.47x = 2,407,438,455.82
  5. Step 5: Solve for x
    x = 2,407,438,455.82/57,565.47
  6. Step 6: Final answer
    x = 41,820.88

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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.