Home / 25,494.38-35,174.96-15,415.52

Finding the Fourth Proportional to 25,494.38, 35,174.96 and 15,415.52

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Solution

The fourth proportional to 25,494.38, 35,174.96 and 15,415.52 is: 21,269.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,494.38 : 35,174.96 = 15,415.52 : x
  2. Step 2: Convert to fraction form
    25,494.38/35,174.96 = 15,415.52/x
  3. Step 3: Cross multiply
    25,494.38x = 35,174.96 × 15,415.52
  4. Step 4: Simplify right side
    25,494.38x = 542,240,104.24
  5. Step 5: Solve for x
    x = 542,240,104.24/25,494.38
  6. Step 6: Final answer
    x = 21,269.01

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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.