Home / 22,289.30-30,769.03-15,601.19

Finding the Fourth Proportional to 22,289.30, 30,769.03 and 15,601.19

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Solution

The fourth proportional to 22,289.30, 30,769.03 and 15,601.19 is: 21,536.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,289.30 : 30,769.03 = 15,601.19 : x
  2. Step 2: Convert to fraction form
    22,289.30/30,769.03 = 15,601.19/x
  3. Step 3: Cross multiply
    22,289.30x = 30,769.03 × 15,601.19
  4. Step 4: Simplify right side
    22,289.30x = 480,033,348.80
  5. Step 5: Solve for x
    x = 480,033,348.80/22,289.30
  6. Step 6: Final answer
    x = 21,536.49

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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.