Home / 39,272-58,931.04-15,581.76

Finding the Fourth Proportional to 39,272, 58,931.04 and 15,581.76

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Solution

The fourth proportional to 39,272, 58,931.04 and 15,581.76 is: 23,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,272 : 58,931.04 = 15,581.76 : x
  2. Step 2: Convert to fraction form
    39,272/58,931.04 = 15,581.76/x
  3. Step 3: Cross multiply
    39,272x = 58,931.04 × 15,581.76
  4. Step 4: Simplify right side
    39,272x = 918,249,321.83
  5. Step 5: Solve for x
    x = 918,249,321.83/39,272
  6. Step 6: Final answer
    x = 23,381.78

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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.