Home / 27,701.76-38,228.52-15,126.76

Finding the Fourth Proportional to 27,701.76, 38,228.52 and 15,126.76

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Solution

The fourth proportional to 27,701.76, 38,228.52 and 15,126.76 is: 20,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.76 : 38,228.52 = 15,126.76 : x
  2. Step 2: Convert to fraction form
    27,701.76/38,228.52 = 15,126.76/x
  3. Step 3: Cross multiply
    27,701.76x = 38,228.52 × 15,126.76
  4. Step 4: Simplify right side
    27,701.76x = 578,273,647.20
  5. Step 5: Solve for x
    x = 578,273,647.20/27,701.76
  6. Step 6: Final answer
    x = 20,874.98

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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.