Home / 25,278.12-34,883.92-13,947.76

Finding the Fourth Proportional to 25,278.12, 34,883.92 and 13,947.76

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Solution

The fourth proportional to 25,278.12, 34,883.92 and 13,947.76 is: 19,247.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.12 : 34,883.92 = 13,947.76 : x
  2. Step 2: Convert to fraction form
    25,278.12/34,883.92 = 13,947.76/x
  3. Step 3: Cross multiply
    25,278.12x = 34,883.92 × 13,947.76
  4. Step 4: Simplify right side
    25,278.12x = 486,552,544.02
  5. Step 5: Solve for x
    x = 486,552,544.02/25,278.12
  6. Step 6: Final answer
    x = 19,247.97

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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.