Home / 25,290.28-34,902.90-13,961.80

Finding the Fourth Proportional to 25,290.28, 34,902.90 and 13,961.80

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Solution

The fourth proportional to 25,290.28, 34,902.90 and 13,961.80 is: 19,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,290.28 : 34,902.90 = 13,961.80 : x
  2. Step 2: Convert to fraction form
    25,290.28/34,902.90 = 13,961.80/x
  3. Step 3: Cross multiply
    25,290.28x = 34,902.90 × 13,961.80
  4. Step 4: Simplify right side
    25,290.28x = 487,307,309.22
  5. Step 5: Solve for x
    x = 487,307,309.22/25,290.28
  6. Step 6: Final answer
    x = 19,268.56

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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.