Home / 27,750.08-38,295.28-15,174.88

Finding the Fourth Proportional to 27,750.08, 38,295.28 and 15,174.88

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Solution

The fourth proportional to 27,750.08, 38,295.28 and 15,174.88 is: 20,941.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,750.08 : 38,295.28 = 15,174.88 : x
  2. Step 2: Convert to fraction form
    27,750.08/38,295.28 = 15,174.88/x
  3. Step 3: Cross multiply
    27,750.08x = 38,295.28 × 15,174.88
  4. Step 4: Simplify right side
    27,750.08x = 581,126,278.57
  5. Step 5: Solve for x
    x = 581,126,278.57/27,750.08
  6. Step 6: Final answer
    x = 20,941.43

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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.