Home / 26,587.86-39,881.79-6,866.52

Finding the Fourth Proportional to 26,587.86, 39,881.79 and 6,866.52

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Solution

The fourth proportional to 26,587.86, 39,881.79 and 6,866.52 is: 10,299.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,587.86 : 39,881.79 = 6,866.52 : x
  2. Step 2: Convert to fraction form
    26,587.86/39,881.79 = 6,866.52/x
  3. Step 3: Cross multiply
    26,587.86x = 39,881.79 × 6,866.52
  4. Step 4: Simplify right side
    26,587.86x = 273,849,108.67
  5. Step 5: Solve for x
    x = 273,849,108.67/26,587.86
  6. Step 6: Final answer
    x = 10,299.78

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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.