Home / 27,752.50-38,298.48-15,177.28

Finding the Fourth Proportional to 27,752.50, 38,298.48 and 15,177.28

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Solution

The fourth proportional to 27,752.50, 38,298.48 and 15,177.28 is: 20,944.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,752.50 : 38,298.48 = 15,177.28 : x
  2. Step 2: Convert to fraction form
    27,752.50/38,298.48 = 15,177.28/x
  3. Step 3: Cross multiply
    27,752.50x = 38,298.48 × 15,177.28
  4. Step 4: Simplify right side
    27,752.50x = 581,266,754.53
  5. Step 5: Solve for x
    x = 581,266,754.53/27,752.50
  6. Step 6: Final answer
    x = 20,944.66

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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.