Home / 28,178.28-42,234.62-16,466.76

Finding the Fourth Proportional to 28,178.28, 42,234.62 and 16,466.76

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Solution

The fourth proportional to 28,178.28, 42,234.62 and 16,466.76 is: 24,680.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,178.28 : 42,234.62 = 16,466.76 : x
  2. Step 2: Convert to fraction form
    28,178.28/42,234.62 = 16,466.76/x
  3. Step 3: Cross multiply
    28,178.28x = 42,234.62 × 16,466.76
  4. Step 4: Simplify right side
    28,178.28x = 695,467,268.90
  5. Step 5: Solve for x
    x = 695,467,268.90/28,178.28
  6. Step 6: Final answer
    x = 24,680.97

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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.