Home / 26,342.83-39,519.65-8,812.81

Finding the Fourth Proportional to 26,342.83, 39,519.65 and 8,812.81

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Solution

The fourth proportional to 26,342.83, 39,519.65 and 8,812.81 is: 13,221.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,342.83 : 39,519.65 = 8,812.81 : x
  2. Step 2: Convert to fraction form
    26,342.83/39,519.65 = 8,812.81/x
  3. Step 3: Cross multiply
    26,342.83x = 39,519.65 × 8,812.81
  4. Step 4: Simplify right side
    26,342.83x = 348,279,166.72
  5. Step 5: Solve for x
    x = 348,279,166.72/26,342.83
  6. Step 6: Final answer
    x = 13,221.02

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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.