Home / 16,631.20-24,946.80-15,270.40

Finding the Fourth Proportional to 16,631.20, 24,946.80 and 15,270.40

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Solution

The fourth proportional to 16,631.20, 24,946.80 and 15,270.40 is: 22,905.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,631.20 : 24,946.80 = 15,270.40 : x
  2. Step 2: Convert to fraction form
    16,631.20/24,946.80 = 15,270.40/x
  3. Step 3: Cross multiply
    16,631.20x = 24,946.80 × 15,270.40
  4. Step 4: Simplify right side
    16,631.20x = 380,947,614.72
  5. Step 5: Solve for x
    x = 380,947,614.72/16,631.20
  6. Step 6: Final answer
    x = 22,905.60

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.