Home / 22,988.20-34,520.70-15,231.40

Finding the Fourth Proportional to 22,988.20, 34,520.70 and 15,231.40

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Solution

The fourth proportional to 22,988.20, 34,520.70 and 15,231.40 is: 22,872.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,988.20 : 34,520.70 = 15,231.40 : x
  2. Step 2: Convert to fraction form
    22,988.20/34,520.70 = 15,231.40/x
  3. Step 3: Cross multiply
    22,988.20x = 34,520.70 × 15,231.40
  4. Step 4: Simplify right side
    22,988.20x = 525,798,589.98
  5. Step 5: Solve for x
    x = 525,798,589.98/22,988.20
  6. Step 6: Final answer
    x = 22,872.54

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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.