Home / 26,819.02-40,229.61-12,771.82

Finding the Fourth Proportional to 26,819.02, 40,229.61 and 12,771.82

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Solution

The fourth proportional to 26,819.02, 40,229.61 and 12,771.82 is: 19,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,819.02 : 40,229.61 = 12,771.82 : x
  2. Step 2: Convert to fraction form
    26,819.02/40,229.61 = 12,771.82/x
  3. Step 3: Cross multiply
    26,819.02x = 40,229.61 × 12,771.82
  4. Step 4: Simplify right side
    26,819.02x = 513,805,337.59
  5. Step 5: Solve for x
    x = 513,805,337.59/26,819.02
  6. Step 6: Final answer
    x = 19,158.24

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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.