Home / 22,301.28-30,764.88-18,763.20

Finding the Fourth Proportional to 22,301.28, 30,764.88 and 18,763.20

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Solution

The fourth proportional to 22,301.28, 30,764.88 and 18,763.20 is: 25,884.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,301.28 : 30,764.88 = 18,763.20 : x
  2. Step 2: Convert to fraction form
    22,301.28/30,764.88 = 18,763.20/x
  3. Step 3: Cross multiply
    22,301.28x = 30,764.88 × 18,763.20
  4. Step 4: Simplify right side
    22,301.28x = 577,247,596.42
  5. Step 5: Solve for x
    x = 577,247,596.42/22,301.28
  6. Step 6: Final answer
    x = 25,884.06

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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.