Home / 39,288-58,948.08-17,089.92

Finding the Fourth Proportional to 39,288, 58,948.08 and 17,089.92

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Solution

The fourth proportional to 39,288, 58,948.08 and 17,089.92 is: 25,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,288 : 58,948.08 = 17,089.92 : x
  2. Step 2: Convert to fraction form
    39,288/58,948.08 = 17,089.92/x
  3. Step 3: Cross multiply
    39,288x = 58,948.08 × 17,089.92
  4. Step 4: Simplify right side
    39,288x = 1,007,417,971.35
  5. Step 5: Solve for x
    x = 1,007,417,971.35/39,288
  6. Step 6: Final answer
    x = 25,641.87

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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.