Home / 22,872.56-34,248.64-18,406.40

Finding the Fourth Proportional to 22,872.56, 34,248.64 and 18,406.40

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Solution

The fourth proportional to 22,872.56, 34,248.64 and 18,406.40 is: 27,561.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.56 : 34,248.64 = 18,406.40 : x
  2. Step 2: Convert to fraction form
    22,872.56/34,248.64 = 18,406.40/x
  3. Step 3: Cross multiply
    22,872.56x = 34,248.64 × 18,406.40
  4. Step 4: Simplify right side
    22,872.56x = 630,394,167.30
  5. Step 5: Solve for x
    x = 630,394,167.30/22,872.56
  6. Step 6: Final answer
    x = 27,561.15

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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.