Home / 25,885.20-35,722.59-15,274.83

Finding the Fourth Proportional to 25,885.20, 35,722.59 and 15,274.83

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Solution

The fourth proportional to 25,885.20, 35,722.59 and 15,274.83 is: 21,079.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,885.20 : 35,722.59 = 15,274.83 : x
  2. Step 2: Convert to fraction form
    25,885.20/35,722.59 = 15,274.83/x
  3. Step 3: Cross multiply
    25,885.20x = 35,722.59 × 15,274.83
  4. Step 4: Simplify right side
    25,885.20x = 545,656,494.03
  5. Step 5: Solve for x
    x = 545,656,494.03/25,885.20
  6. Step 6: Final answer
    x = 21,079.87

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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.