Home / 26,079.42-35,989.28-14,142.61

Finding the Fourth Proportional to 26,079.42, 35,989.28 and 14,142.61

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Solution

The fourth proportional to 26,079.42, 35,989.28 and 14,142.61 is: 19,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.42 : 35,989.28 = 14,142.61 : x
  2. Step 2: Convert to fraction form
    26,079.42/35,989.28 = 14,142.61/x
  3. Step 3: Cross multiply
    26,079.42x = 35,989.28 × 14,142.61
  4. Step 4: Simplify right side
    26,079.42x = 508,982,378.53
  5. Step 5: Solve for x
    x = 508,982,378.53/26,079.42
  6. Step 6: Final answer
    x = 19,516.63

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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.