Home / 26,388.60-39,549.06-10,787.64

Finding the Fourth Proportional to 26,388.60, 39,549.06 and 10,787.64

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Solution

The fourth proportional to 26,388.60, 39,549.06 and 10,787.64 is: 16,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,388.60 : 39,549.06 = 10,787.64 : x
  2. Step 2: Convert to fraction form
    26,388.60/39,549.06 = 10,787.64/x
  3. Step 3: Cross multiply
    26,388.60x = 39,549.06 × 10,787.64
  4. Step 4: Simplify right side
    26,388.60x = 426,641,021.62
  5. Step 5: Solve for x
    x = 426,641,021.62/26,388.60
  6. Step 6: Final answer
    x = 16,167.63

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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.