Home / 26,737.20-40,079.36-12,672.56

Finding the Fourth Proportional to 26,737.20, 40,079.36 and 12,672.56

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Solution

The fourth proportional to 26,737.20, 40,079.36 and 12,672.56 is: 18,996.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,737.20 : 40,079.36 = 12,672.56 : x
  2. Step 2: Convert to fraction form
    26,737.20/40,079.36 = 12,672.56/x
  3. Step 3: Cross multiply
    26,737.20x = 40,079.36 × 12,672.56
  4. Step 4: Simplify right side
    26,737.20x = 507,908,094.36
  5. Step 5: Solve for x
    x = 507,908,094.36/26,737.20
  6. Step 6: Final answer
    x = 18,996.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.