Home / 25,009.28-34,512.68-13,831.28

Finding the Fourth Proportional to 25,009.28, 34,512.68 and 13,831.28

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Solution

The fourth proportional to 25,009.28, 34,512.68 and 13,831.28 is: 19,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.28 : 34,512.68 = 13,831.28 : x
  2. Step 2: Convert to fraction form
    25,009.28/34,512.68 = 13,831.28/x
  3. Step 3: Cross multiply
    25,009.28x = 34,512.68 × 13,831.28
  4. Step 4: Simplify right side
    25,009.28x = 477,354,540.63
  5. Step 5: Solve for x
    x = 477,354,540.63/25,009.28
  6. Step 6: Final answer
    x = 19,087.10

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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.