Home / 26,531.12-39,788.23-8,758.48

Finding the Fourth Proportional to 26,531.12, 39,788.23 and 8,758.48

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Solution

The fourth proportional to 26,531.12, 39,788.23 and 8,758.48 is: 13,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.12 : 39,788.23 = 8,758.48 : x
  2. Step 2: Convert to fraction form
    26,531.12/39,788.23 = 8,758.48/x
  3. Step 3: Cross multiply
    26,531.12x = 39,788.23 × 8,758.48
  4. Step 4: Simplify right side
    26,531.12x = 348,484,416.69
  5. Step 5: Solve for x
    x = 348,484,416.69/26,531.12
  6. Step 6: Final answer
    x = 13,134.93

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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.