Home / 27,977.38-38,613.96-16,040.80

Finding the Fourth Proportional to 27,977.38, 38,613.96 and 16,040.80

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Solution

The fourth proportional to 27,977.38, 38,613.96 and 16,040.80 is: 22,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,977.38 : 38,613.96 = 16,040.80 : x
  2. Step 2: Convert to fraction form
    27,977.38/38,613.96 = 16,040.80/x
  3. Step 3: Cross multiply
    27,977.38x = 38,613.96 × 16,040.80
  4. Step 4: Simplify right side
    27,977.38x = 619,398,809.57
  5. Step 5: Solve for x
    x = 619,398,809.57/27,977.38
  6. Step 6: Final answer
    x = 22,139.27

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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.