Home / 24,227.28-36,315-12,528.72

Finding the Fourth Proportional to 24,227.28, 36,315 and 12,528.72

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Solution

The fourth proportional to 24,227.28, 36,315 and 12,528.72 is: 18,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,227.28 : 36,315 = 12,528.72 : x
  2. Step 2: Convert to fraction form
    24,227.28/36,315 = 12,528.72/x
  3. Step 3: Cross multiply
    24,227.28x = 36,315 × 12,528.72
  4. Step 4: Simplify right side
    24,227.28x = 454,980,466.80
  5. Step 5: Solve for x
    x = 454,980,466.80/24,227.28
  6. Step 6: Final answer
    x = 18,779.68

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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.