Home / 29,304.57-40,440.15-15,876.09

Finding the Fourth Proportional to 29,304.57, 40,440.15 and 15,876.09

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Solution

The fourth proportional to 29,304.57, 40,440.15 and 15,876.09 is: 21,908.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,304.57 : 40,440.15 = 15,876.09 : x
  2. Step 2: Convert to fraction form
    29,304.57/40,440.15 = 15,876.09/x
  3. Step 3: Cross multiply
    29,304.57x = 40,440.15 × 15,876.09
  4. Step 4: Simplify right side
    29,304.57x = 642,031,461.01
  5. Step 5: Solve for x
    x = 642,031,461.01/29,304.57
  6. Step 6: Final answer
    x = 21,908.92

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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.