Home / 28,296.59-42,446.30-10,767.78

Finding the Fourth Proportional to 28,296.59, 42,446.30 and 10,767.78

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Solution

The fourth proportional to 28,296.59, 42,446.30 and 10,767.78 is: 16,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,296.59 : 42,446.30 = 10,767.78 : x
  2. Step 2: Convert to fraction form
    28,296.59/42,446.30 = 10,767.78/x
  3. Step 3: Cross multiply
    28,296.59x = 42,446.30 × 10,767.78
  4. Step 4: Simplify right side
    28,296.59x = 457,052,366.38
  5. Step 5: Solve for x
    x = 457,052,366.38/28,296.59
  6. Step 6: Final answer
    x = 16,152.21

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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.