Home / 26,358.16-39,531.52-8,347.81

Finding the Fourth Proportional to 26,358.16, 39,531.52 and 8,347.81

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Solution

The fourth proportional to 26,358.16, 39,531.52 and 8,347.81 is: 12,519.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,358.16 : 39,531.52 = 8,347.81 : x
  2. Step 2: Convert to fraction form
    26,358.16/39,531.52 = 8,347.81/x
  3. Step 3: Cross multiply
    26,358.16x = 39,531.52 × 8,347.81
  4. Step 4: Simplify right side
    26,358.16x = 330,001,617.97
  5. Step 5: Solve for x
    x = 330,001,617.97/26,358.16
  6. Step 6: Final answer
    x = 12,519.90

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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.