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Finding the Fourth Proportional to 32,425.66, 48,643.03 and 11,360.87

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Solution

The fourth proportional to 32,425.66, 48,643.03 and 11,360.87 is: 17,042.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,425.66 : 48,643.03 = 11,360.87 : x
  2. Step 2: Convert to fraction form
    32,425.66/48,643.03 = 11,360.87/x
  3. Step 3: Cross multiply
    32,425.66x = 48,643.03 × 11,360.87
  4. Step 4: Simplify right side
    32,425.66x = 552,627,140.24
  5. Step 5: Solve for x
    x = 552,627,140.24/32,425.66
  6. Step 6: Final answer
    x = 17,042.90

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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.