Home / 25,883.60-38,806.20-11,080.40

Finding the Fourth Proportional to 25,883.60, 38,806.20 and 11,080.40

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Solution

The fourth proportional to 25,883.60, 38,806.20 and 11,080.40 is: 16,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,883.60 : 38,806.20 = 11,080.40 : x
  2. Step 2: Convert to fraction form
    25,883.60/38,806.20 = 11,080.40/x
  3. Step 3: Cross multiply
    25,883.60x = 38,806.20 × 11,080.40
  4. Step 4: Simplify right side
    25,883.60x = 429,988,218.48
  5. Step 5: Solve for x
    x = 429,988,218.48/25,883.60
  6. Step 6: Final answer
    x = 16,612.38

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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.