Home / 27,613.18-38,107.11-15,038.38

Finding the Fourth Proportional to 27,613.18, 38,107.11 and 15,038.38

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Solution

The fourth proportional to 27,613.18, 38,107.11 and 15,038.38 is: 20,753.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,613.18 : 38,107.11 = 15,038.38 : x
  2. Step 2: Convert to fraction form
    27,613.18/38,107.11 = 15,038.38/x
  3. Step 3: Cross multiply
    27,613.18x = 38,107.11 × 15,038.38
  4. Step 4: Simplify right side
    27,613.18x = 573,069,200.88
  5. Step 5: Solve for x
    x = 573,069,200.88/27,613.18
  6. Step 6: Final answer
    x = 20,753.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.