Home / 52,726.40-79,066.56-15,781.76

Finding the Fourth Proportional to 52,726.40, 79,066.56 and 15,781.76

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Solution

The fourth proportional to 52,726.40, 79,066.56 and 15,781.76 is: 23,665.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,726.40 : 79,066.56 = 15,781.76 : x
  2. Step 2: Convert to fraction form
    52,726.40/79,066.56 = 15,781.76/x
  3. Step 3: Cross multiply
    52,726.40x = 79,066.56 × 15,781.76
  4. Step 4: Simplify right side
    52,726.40x = 1,247,809,473.95
  5. Step 5: Solve for x
    x = 1,247,809,473.95/52,726.40
  6. Step 6: Final answer
    x = 23,665.74

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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.