Home / 28,194.17-42,299.55-8,475.75

Finding the Fourth Proportional to 28,194.17, 42,299.55 and 8,475.75

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Solution

The fourth proportional to 28,194.17, 42,299.55 and 8,475.75 is: 12,716.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,194.17 : 42,299.55 = 8,475.75 : x
  2. Step 2: Convert to fraction form
    28,194.17/42,299.55 = 8,475.75/x
  3. Step 3: Cross multiply
    28,194.17x = 42,299.55 × 8,475.75
  4. Step 4: Simplify right side
    28,194.17x = 358,520,410.91
  5. Step 5: Solve for x
    x = 358,520,410.91/28,194.17
  6. Step 6: Final answer
    x = 12,716.12

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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.