Home / 15,040.80-22,561.20-14,400.90

Finding the Fourth Proportional to 15,040.80, 22,561.20 and 14,400.90

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Solution

The fourth proportional to 15,040.80, 22,561.20 and 14,400.90 is: 21,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,040.80 : 22,561.20 = 14,400.90 : x
  2. Step 2: Convert to fraction form
    15,040.80/22,561.20 = 14,400.90/x
  3. Step 3: Cross multiply
    15,040.80x = 22,561.20 × 14,400.90
  4. Step 4: Simplify right side
    15,040.80x = 324,901,585.08
  5. Step 5: Solve for x
    x = 324,901,585.08/15,040.80
  6. Step 6: Final answer
    x = 21,601.35

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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.