Home / 27,764.46-38,314.92-15,189.18

Finding the Fourth Proportional to 27,764.46, 38,314.92 and 15,189.18

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Solution

The fourth proportional to 27,764.46, 38,314.92 and 15,189.18 is: 20,961.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,764.46 : 38,314.92 = 15,189.18 : x
  2. Step 2: Convert to fraction form
    27,764.46/38,314.92 = 15,189.18/x
  3. Step 3: Cross multiply
    27,764.46x = 38,314.92 × 15,189.18
  4. Step 4: Simplify right side
    27,764.46x = 581,972,216.57
  5. Step 5: Solve for x
    x = 581,972,216.57/27,764.46
  6. Step 6: Final answer
    x = 20,961.05

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Double scale
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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.