Home / 25,278.75-34,884.68-14,100.75

Finding the Fourth Proportional to 25,278.75, 34,884.68 and 14,100.75

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Solution

The fourth proportional to 25,278.75, 34,884.68 and 14,100.75 is: 19,459.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.75 : 34,884.68 = 14,100.75 : x
  2. Step 2: Convert to fraction form
    25,278.75/34,884.68 = 14,100.75/x
  3. Step 3: Cross multiply
    25,278.75x = 34,884.68 × 14,100.75
  4. Step 4: Simplify right side
    25,278.75x = 491,900,081.01
  5. Step 5: Solve for x
    x = 491,900,081.01/25,278.75
  6. Step 6: Final answer
    x = 19,459.04

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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.