Home / 25,186.30-34,741.78-18,122.29

Finding the Fourth Proportional to 25,186.30, 34,741.78 and 18,122.29

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Solution

The fourth proportional to 25,186.30, 34,741.78 and 18,122.29 is: 24,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,186.30 : 34,741.78 = 18,122.29 : x
  2. Step 2: Convert to fraction form
    25,186.30/34,741.78 = 18,122.29/x
  3. Step 3: Cross multiply
    25,186.30x = 34,741.78 × 18,122.29
  4. Step 4: Simplify right side
    25,186.30x = 629,600,612.28
  5. Step 5: Solve for x
    x = 629,600,612.28/25,186.30
  6. Step 6: Final answer
    x = 24,997.74

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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.