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Finding the Fourth Proportional to 29,113.60, 43,700.92 and 25,803

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Solution

The fourth proportional to 29,113.60, 43,700.92 and 25,803 is: 38,731.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,113.60 : 43,700.92 = 25,803 : x
  2. Step 2: Convert to fraction form
    29,113.60/43,700.92 = 25,803/x
  3. Step 3: Cross multiply
    29,113.60x = 43,700.92 × 25,803
  4. Step 4: Simplify right side
    29,113.60x = 1,127,614,838.76
  5. Step 5: Solve for x
    x = 1,127,614,838.76/29,113.60
  6. Step 6: Final answer
    x = 38,731.55

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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.