Home / 28,377.29-42,586.43-10,847.16

Finding the Fourth Proportional to 28,377.29, 42,586.43 and 10,847.16

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Solution

The fourth proportional to 28,377.29, 42,586.43 and 10,847.16 is: 16,278.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,377.29 : 42,586.43 = 10,847.16 : x
  2. Step 2: Convert to fraction form
    28,377.29/42,586.43 = 10,847.16/x
  3. Step 3: Cross multiply
    28,377.29x = 42,586.43 × 10,847.16
  4. Step 4: Simplify right side
    28,377.29x = 461,941,765.80
  5. Step 5: Solve for x
    x = 461,941,765.80/28,377.29
  6. Step 6: Final answer
    x = 16,278.57

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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.