Home / 25,400.43-35,119.48-22,247.57

Finding the Fourth Proportional to 25,400.43, 35,119.48 and 22,247.57

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Solution

The fourth proportional to 25,400.43, 35,119.48 and 22,247.57 is: 30,760.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,400.43 : 35,119.48 = 22,247.57 : x
  2. Step 2: Convert to fraction form
    25,400.43/35,119.48 = 22,247.57/x
  3. Step 3: Cross multiply
    25,400.43x = 35,119.48 × 22,247.57
  4. Step 4: Simplify right side
    25,400.43x = 781,323,089.66
  5. Step 5: Solve for x
    x = 781,323,089.66/25,400.43
  6. Step 6: Final answer
    x = 30,760.23

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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.