Home / 22,301.28-33,490.80-20,478.24

Finding the Fourth Proportional to 22,301.28, 33,490.80 and 20,478.24

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Solution

The fourth proportional to 22,301.28, 33,490.80 and 20,478.24 is: 30,753.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.28 : 33,490.80 = 20,478.24 : x
  2. Step 2: Convert to fraction form
    22,301.28/33,490.80 = 20,478.24/x
  3. Step 3: Cross multiply
    22,301.28x = 33,490.80 × 20,478.24
  4. Step 4: Simplify right side
    22,301.28x = 685,832,640.19
  5. Step 5: Solve for x
    x = 685,832,640.19/22,301.28
  6. Step 6: Final answer
    x = 30,753.06

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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.