Home / 27,701.46-38,228.09-15,126.21

Finding the Fourth Proportional to 27,701.46, 38,228.09 and 15,126.21

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Solution

The fourth proportional to 27,701.46, 38,228.09 and 15,126.21 is: 20,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,701.46 : 38,228.09 = 15,126.21 : x
  2. Step 2: Convert to fraction form
    27,701.46/38,228.09 = 15,126.21/x
  3. Step 3: Cross multiply
    27,701.46x = 38,228.09 × 15,126.21
  4. Step 4: Simplify right side
    27,701.46x = 578,246,041.61
  5. Step 5: Solve for x
    x = 578,246,041.61/27,701.46
  6. Step 6: Final answer
    x = 20,874.21

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Half scale
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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.