Home / 26,079.30-35,989.11-14,142.60

Finding the Fourth Proportional to 26,079.30, 35,989.11 and 14,142.60

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Solution

The fourth proportional to 26,079.30, 35,989.11 and 14,142.60 is: 19,516.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,079.30 : 35,989.11 = 14,142.60 : x
  2. Step 2: Convert to fraction form
    26,079.30/35,989.11 = 14,142.60/x
  3. Step 3: Cross multiply
    26,079.30x = 35,989.11 × 14,142.60
  4. Step 4: Simplify right side
    26,079.30x = 508,979,587.09
  5. Step 5: Solve for x
    x = 508,979,587.09/26,079.30
  6. Step 6: Final answer
    x = 19,516.61

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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.