Home / 28,515.48-42,472.52-27,236.20

Finding the Fourth Proportional to 28,515.48, 42,472.52 and 27,236.20

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Solution

The fourth proportional to 28,515.48, 42,472.52 and 27,236.20 is: 40,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,515.48 : 42,472.52 = 27,236.20 : x
  2. Step 2: Convert to fraction form
    28,515.48/42,472.52 = 27,236.20/x
  3. Step 3: Cross multiply
    28,515.48x = 42,472.52 × 27,236.20
  4. Step 4: Simplify right side
    28,515.48x = 1,156,790,049.22
  5. Step 5: Solve for x
    x = 1,156,790,049.22/28,515.48
  6. Step 6: Final answer
    x = 40,567.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.