Home / 25,279.95-34,886.10-13,949.55

Finding the Fourth Proportional to 25,279.95, 34,886.10 and 13,949.55

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Solution

The fourth proportional to 25,279.95, 34,886.10 and 13,949.55 is: 19,250.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,279.95 : 34,886.10 = 13,949.55 : x
  2. Step 2: Convert to fraction form
    25,279.95/34,886.10 = 13,949.55/x
  3. Step 3: Cross multiply
    25,279.95x = 34,886.10 × 13,949.55
  4. Step 4: Simplify right side
    25,279.95x = 486,645,396.26
  5. Step 5: Solve for x
    x = 486,645,396.26/25,279.95
  6. Step 6: Final answer
    x = 19,250.25

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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.