Home / 25,009.52-34,512.72-13,831.52

Finding the Fourth Proportional to 25,009.52, 34,512.72 and 13,831.52

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Solution

The fourth proportional to 25,009.52, 34,512.72 and 13,831.52 is: 19,087.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,009.52 : 34,512.72 = 13,831.52 : x
  2. Step 2: Convert to fraction form
    25,009.52/34,512.72 = 13,831.52/x
  3. Step 3: Cross multiply
    25,009.52x = 34,512.72 × 13,831.52
  4. Step 4: Simplify right side
    25,009.52x = 477,363,376.93
  5. Step 5: Solve for x
    x = 477,363,376.93/25,009.52
  6. Step 6: Final answer
    x = 19,087.27

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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.