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Finding the Fourth Proportional to 32,869.75, 49,284.90 and 15,078.13

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Solution

The fourth proportional to 32,869.75, 49,284.90 and 15,078.13 is: 22,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,869.75 : 49,284.90 = 15,078.13 : x
  2. Step 2: Convert to fraction form
    32,869.75/49,284.90 = 15,078.13/x
  3. Step 3: Cross multiply
    32,869.75x = 49,284.90 × 15,078.13
  4. Step 4: Simplify right side
    32,869.75x = 743,124,129.24
  5. Step 5: Solve for x
    x = 743,124,129.24/32,869.75
  6. Step 6: Final answer
    x = 22,608.15

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1.5x scale

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.