Home / 25,381.88-38,080.61-11,353.72

Finding the Fourth Proportional to 25,381.88, 38,080.61 and 11,353.72

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Solution

The fourth proportional to 25,381.88, 38,080.61 and 11,353.72 is: 17,034.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,381.88 : 38,080.61 = 11,353.72 : x
  2. Step 2: Convert to fraction form
    25,381.88/38,080.61 = 11,353.72/x
  3. Step 3: Cross multiply
    25,381.88x = 38,080.61 × 11,353.72
  4. Step 4: Simplify right side
    25,381.88x = 432,356,583.37
  5. Step 5: Solve for x
    x = 432,356,583.37/25,381.88
  6. Step 6: Final answer
    x = 17,034.06

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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.