Home / 22,377.64-30,865.53-18,997.15

Finding the Fourth Proportional to 22,377.64, 30,865.53 and 18,997.15

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Solution

The fourth proportional to 22,377.64, 30,865.53 and 18,997.15 is: 26,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,377.64 : 30,865.53 = 18,997.15 : x
  2. Step 2: Convert to fraction form
    22,377.64/30,865.53 = 18,997.15/x
  3. Step 3: Cross multiply
    22,377.64x = 30,865.53 × 18,997.15
  4. Step 4: Simplify right side
    22,377.64x = 586,357,103.24
  5. Step 5: Solve for x
    x = 586,357,103.24/22,377.64
  6. Step 6: Final answer
    x = 26,202.81

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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.