Home / 25,439.09-38,159.06-8,799.55

Finding the Fourth Proportional to 25,439.09, 38,159.06 and 8,799.55

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Solution

The fourth proportional to 25,439.09, 38,159.06 and 8,799.55 is: 13,199.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,439.09 : 38,159.06 = 8,799.55 : x
  2. Step 2: Convert to fraction form
    25,439.09/38,159.06 = 8,799.55/x
  3. Step 3: Cross multiply
    25,439.09x = 38,159.06 × 8,799.55
  4. Step 4: Simplify right side
    25,439.09x = 335,782,556.42
  5. Step 5: Solve for x
    x = 335,782,556.42/25,439.09
  6. Step 6: Final answer
    x = 13,199.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.