Home / 28,397.78-42,591.18-10,863.44

Finding the Fourth Proportional to 28,397.78, 42,591.18 and 10,863.44

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Solution

The fourth proportional to 28,397.78, 42,591.18 and 10,863.44 is: 16,293.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.78 : 42,591.18 = 10,863.44 : x
  2. Step 2: Convert to fraction form
    28,397.78/42,591.18 = 10,863.44/x
  3. Step 3: Cross multiply
    28,397.78x = 42,591.18 × 10,863.44
  4. Step 4: Simplify right side
    28,397.78x = 462,686,728.46
  5. Step 5: Solve for x
    x = 462,686,728.46/28,397.78
  6. Step 6: Final answer
    x = 16,293.06

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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.