Home / 29,304.11-40,439.62-15,875.70

Finding the Fourth Proportional to 29,304.11, 40,439.62 and 15,875.70

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Solution

The fourth proportional to 29,304.11, 40,439.62 and 15,875.70 is: 21,908.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.11 : 40,439.62 = 15,875.70 : x
  2. Step 2: Convert to fraction form
    29,304.11/40,439.62 = 15,875.70/x
  3. Step 3: Cross multiply
    29,304.11x = 40,439.62 × 15,875.70
  4. Step 4: Simplify right side
    29,304.11x = 642,007,370.90
  5. Step 5: Solve for x
    x = 642,007,370.90/29,304.11
  6. Step 6: Final answer
    x = 21,908.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.