Home / 26,737.59-40,115.86-12,518.75

Finding the Fourth Proportional to 26,737.59, 40,115.86 and 12,518.75

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Solution

The fourth proportional to 26,737.59, 40,115.86 and 12,518.75 is: 18,782.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,737.59 : 40,115.86 = 12,518.75 : x
  2. Step 2: Convert to fraction form
    26,737.59/40,115.86 = 12,518.75/x
  3. Step 3: Cross multiply
    26,737.59x = 40,115.86 × 12,518.75
  4. Step 4: Simplify right side
    26,737.59x = 502,200,491.37
  5. Step 5: Solve for x
    x = 502,200,491.37/26,737.59
  6. Step 6: Final answer
    x = 18,782.56

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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.