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Finding the Fourth Proportional to 32,656.28, 48,952.12 and 15,758.11

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Solution

The fourth proportional to 32,656.28, 48,952.12 and 15,758.11 is: 23,621.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,656.28 : 48,952.12 = 15,758.11 : x
  2. Step 2: Convert to fraction form
    32,656.28/48,952.12 = 15,758.11/x
  3. Step 3: Cross multiply
    32,656.28x = 48,952.12 × 15,758.11
  4. Step 4: Simplify right side
    32,656.28x = 771,392,891.69
  5. Step 5: Solve for x
    x = 771,392,891.69/32,656.28
  6. Step 6: Final answer
    x = 23,621.58

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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.