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Finding the Fourth Proportional to 32,428.62, 48,647.64 and 10,243.62

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Solution

The fourth proportional to 32,428.62, 48,647.64 and 10,243.62 is: 15,366.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.62 : 48,647.64 = 10,243.62 : x
  2. Step 2: Convert to fraction form
    32,428.62/48,647.64 = 10,243.62/x
  3. Step 3: Cross multiply
    32,428.62x = 48,647.64 × 10,243.62
  4. Step 4: Simplify right side
    32,428.62x = 498,327,938.06
  5. Step 5: Solve for x
    x = 498,327,938.06/32,428.62
  6. Step 6: Final answer
    x = 15,366.92

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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.