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Finding the Fourth Proportional to 23,652.60, 32,639.10 and 13,042.32

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Solution

The fourth proportional to 23,652.60, 32,639.10 and 13,042.32 is: 17,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,652.60 : 32,639.10 = 13,042.32 : x
  2. Step 2: Convert to fraction form
    23,652.60/32,639.10 = 13,042.32/x
  3. Step 3: Cross multiply
    23,652.60x = 32,639.10 × 13,042.32
  4. Step 4: Simplify right side
    23,652.60x = 425,689,586.71
  5. Step 5: Solve for x
    x = 425,689,586.71/23,652.60
  6. Step 6: Final answer
    x = 17,997.58

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1.5x scale

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.