Home / 25,280.12-34,886.68-13,949.76

Finding the Fourth Proportional to 25,280.12, 34,886.68 and 13,949.76

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Solution

The fourth proportional to 25,280.12, 34,886.68 and 13,949.76 is: 19,250.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,280.12 : 34,886.68 = 13,949.76 : x
  2. Step 2: Convert to fraction form
    25,280.12/34,886.68 = 13,949.76/x
  3. Step 3: Cross multiply
    25,280.12x = 34,886.68 × 13,949.76
  4. Step 4: Simplify right side
    25,280.12x = 486,660,813.20
  5. Step 5: Solve for x
    x = 486,660,813.20/25,280.12
  6. Step 6: Final answer
    x = 19,250.73

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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.