Home / 22,812.63-34,229.78-15,803.43

Finding the Fourth Proportional to 22,812.63, 34,229.78 and 15,803.43

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Solution

The fourth proportional to 22,812.63, 34,229.78 and 15,803.43 is: 23,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,812.63 : 34,229.78 = 15,803.43 : x
  2. Step 2: Convert to fraction form
    22,812.63/34,229.78 = 15,803.43/x
  3. Step 3: Cross multiply
    22,812.63x = 34,229.78 × 15,803.43
  4. Step 4: Simplify right side
    22,812.63x = 540,947,853.13
  5. Step 5: Solve for x
    x = 540,947,853.13/22,812.63
  6. Step 6: Final answer
    x = 23,712.65

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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.