Home / 25,576.18-35,296.90-15,505.04

Finding the Fourth Proportional to 25,576.18, 35,296.90 and 15,505.04

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Solution

The fourth proportional to 25,576.18, 35,296.90 and 15,505.04 is: 21,398.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,576.18 : 35,296.90 = 15,505.04 : x
  2. Step 2: Convert to fraction form
    25,576.18/35,296.90 = 15,505.04/x
  3. Step 3: Cross multiply
    25,576.18x = 35,296.90 × 15,505.04
  4. Step 4: Simplify right side
    25,576.18x = 547,279,924.93
  5. Step 5: Solve for x
    x = 547,279,924.93/25,576.18
  6. Step 6: Final answer
    x = 21,398.03

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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.