Home / 25,301.79-34,921.05-15,093.48

Finding the Fourth Proportional to 25,301.79, 34,921.05 and 15,093.48

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Solution

The fourth proportional to 25,301.79, 34,921.05 and 15,093.48 is: 20,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,301.79 : 34,921.05 = 15,093.48 : x
  2. Step 2: Convert to fraction form
    25,301.79/34,921.05 = 15,093.48/x
  3. Step 3: Cross multiply
    25,301.79x = 34,921.05 × 15,093.48
  4. Step 4: Simplify right side
    25,301.79x = 527,080,169.75
  5. Step 5: Solve for x
    x = 527,080,169.75/25,301.79
  6. Step 6: Final answer
    x = 20,831.73

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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.