Home / 40,428.08-60,603.24-18,229.76

Finding the Fourth Proportional to 40,428.08, 60,603.24 and 18,229.76

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Solution

The fourth proportional to 40,428.08, 60,603.24 and 18,229.76 is: 27,327.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,428.08 : 60,603.24 = 18,229.76 : x
  2. Step 2: Convert to fraction form
    40,428.08/60,603.24 = 18,229.76/x
  3. Step 3: Cross multiply
    40,428.08x = 60,603.24 × 18,229.76
  4. Step 4: Simplify right side
    40,428.08x = 1,104,782,520.42
  5. Step 5: Solve for x
    x = 1,104,782,520.42/40,428.08
  6. Step 6: Final answer
    x = 27,327.11

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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.