Home / 26,539.89-39,811.73-7,819.71

Finding the Fourth Proportional to 26,539.89, 39,811.73 and 7,819.71

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Solution

The fourth proportional to 26,539.89, 39,811.73 and 7,819.71 is: 11,730.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,539.89 : 39,811.73 = 7,819.71 : x
  2. Step 2: Convert to fraction form
    26,539.89/39,811.73 = 7,819.71/x
  3. Step 3: Cross multiply
    26,539.89x = 39,811.73 × 7,819.71
  4. Step 4: Simplify right side
    26,539.89x = 311,316,144.10
  5. Step 5: Solve for x
    x = 311,316,144.10/26,539.89
  6. Step 6: Final answer
    x = 11,730.12

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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.