Home / 22,701.28-31,301.92-15,984.76

Finding the Fourth Proportional to 22,701.28, 31,301.92 and 15,984.76

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Solution

The fourth proportional to 22,701.28, 31,301.92 and 15,984.76 is: 22,040.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701.28 : 31,301.92 = 15,984.76 : x
  2. Step 2: Convert to fraction form
    22,701.28/31,301.92 = 15,984.76/x
  3. Step 3: Cross multiply
    22,701.28x = 31,301.92 × 15,984.76
  4. Step 4: Simplify right side
    22,701.28x = 500,353,678.74
  5. Step 5: Solve for x
    x = 500,353,678.74/22,701.28
  6. Step 6: Final answer
    x = 22,040.77

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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.