Home / 22,701.92-34,052.88-7,120.80

Finding the Fourth Proportional to 22,701.92, 34,052.88 and 7,120.80

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Solution

The fourth proportional to 22,701.92, 34,052.88 and 7,120.80 is: 10,681.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,701.92 : 34,052.88 = 7,120.80 : x
  2. Step 2: Convert to fraction form
    22,701.92/34,052.88 = 7,120.80/x
  3. Step 3: Cross multiply
    22,701.92x = 34,052.88 × 7,120.80
  4. Step 4: Simplify right side
    22,701.92x = 242,483,747.90
  5. Step 5: Solve for x
    x = 242,483,747.90/22,701.92
  6. Step 6: Final answer
    x = 10,681.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.