Home / 22,358.78-33,395.31-20,247.38

Finding the Fourth Proportional to 22,358.78, 33,395.31 and 20,247.38

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Solution

The fourth proportional to 22,358.78, 33,395.31 and 20,247.38 is: 30,241.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,358.78 : 33,395.31 = 20,247.38 : x
  2. Step 2: Convert to fraction form
    22,358.78/33,395.31 = 20,247.38/x
  3. Step 3: Cross multiply
    22,358.78x = 33,395.31 × 20,247.38
  4. Step 4: Simplify right side
    22,358.78x = 676,167,430.55
  5. Step 5: Solve for x
    x = 676,167,430.55/22,358.78
  6. Step 6: Final answer
    x = 30,241.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.