Home / 28,397.28-42,595.92-10,872.48

Finding the Fourth Proportional to 28,397.28, 42,595.92 and 10,872.48

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Solution

The fourth proportional to 28,397.28, 42,595.92 and 10,872.48 is: 16,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,397.28 : 42,595.92 = 10,872.48 : x
  2. Step 2: Convert to fraction form
    28,397.28/42,595.92 = 10,872.48/x
  3. Step 3: Cross multiply
    28,397.28x = 42,595.92 × 10,872.48
  4. Step 4: Simplify right side
    28,397.28x = 463,123,288.28
  5. Step 5: Solve for x
    x = 463,123,288.28/28,397.28
  6. Step 6: Final answer
    x = 16,308.72

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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.