Home / 22,872.07-34,276.90-13,990.48

Finding the Fourth Proportional to 22,872.07, 34,276.90 and 13,990.48

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Solution

The fourth proportional to 22,872.07, 34,276.90 and 13,990.48 is: 20,966.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.07 : 34,276.90 = 13,990.48 : x
  2. Step 2: Convert to fraction form
    22,872.07/34,276.90 = 13,990.48/x
  3. Step 3: Cross multiply
    22,872.07x = 34,276.90 × 13,990.48
  4. Step 4: Simplify right side
    22,872.07x = 479,550,213.96
  5. Step 5: Solve for x
    x = 479,550,213.96/22,872.07
  6. Step 6: Final answer
    x = 20,966.63

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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.