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Finding the Fourth Proportional to 25,274.68, 34,879.17 and 13,944.17

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Solution

The fourth proportional to 25,274.68, 34,879.17 and 13,944.17 is: 19,243.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,274.68 : 34,879.17 = 13,944.17 : x
  2. Step 2: Convert to fraction form
    25,274.68/34,879.17 = 13,944.17/x
  3. Step 3: Cross multiply
    25,274.68x = 34,879.17 × 13,944.17
  4. Step 4: Simplify right side
    25,274.68x = 486,360,831.82
  5. Step 5: Solve for x
    x = 486,360,831.82/25,274.68
  6. Step 6: Final answer
    x = 19,243.01

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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.