Home / 22,872.06-31,552.17-15,320.03

Finding the Fourth Proportional to 22,872.06, 31,552.17 and 15,320.03

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Solution

The fourth proportional to 22,872.06, 31,552.17 and 15,320.03 is: 21,134.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,872.06 : 31,552.17 = 15,320.03 : x
  2. Step 2: Convert to fraction form
    22,872.06/31,552.17 = 15,320.03/x
  3. Step 3: Cross multiply
    22,872.06x = 31,552.17 × 15,320.03
  4. Step 4: Simplify right side
    22,872.06x = 483,380,033.20
  5. Step 5: Solve for x
    x = 483,380,033.20/22,872.06
  6. Step 6: Final answer
    x = 21,134.08

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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.