Home / 26,257.12-39,385.62-11,254.51

Finding the Fourth Proportional to 26,257.12, 39,385.62 and 11,254.51

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Solution

The fourth proportional to 26,257.12, 39,385.62 and 11,254.51 is: 16,881.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,257.12 : 39,385.62 = 11,254.51 : x
  2. Step 2: Convert to fraction form
    26,257.12/39,385.62 = 11,254.51/x
  3. Step 3: Cross multiply
    26,257.12x = 39,385.62 × 11,254.51
  4. Step 4: Simplify right side
    26,257.12x = 443,265,990.41
  5. Step 5: Solve for x
    x = 443,265,990.41/26,257.12
  6. Step 6: Final answer
    x = 16,881.74

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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.