Home / 22,306.15-30,787.87-15,148.01

Finding the Fourth Proportional to 22,306.15, 30,787.87 and 15,148.01

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Solution

The fourth proportional to 22,306.15, 30,787.87 and 15,148.01 is: 20,907.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,306.15 : 30,787.87 = 15,148.01 : x
  2. Step 2: Convert to fraction form
    22,306.15/30,787.87 = 15,148.01/x
  3. Step 3: Cross multiply
    22,306.15x = 30,787.87 × 15,148.01
  4. Step 4: Simplify right side
    22,306.15x = 466,375,072.74
  5. Step 5: Solve for x
    x = 466,375,072.74/22,306.15
  6. Step 6: Final answer
    x = 20,907.92

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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.