Home / 26,809.03-40,187.40-12,765.29

Finding the Fourth Proportional to 26,809.03, 40,187.40 and 12,765.29

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Solution

The fourth proportional to 26,809.03, 40,187.40 and 12,765.29 is: 19,135.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,809.03 : 40,187.40 = 12,765.29 : x
  2. Step 2: Convert to fraction form
    26,809.03/40,187.40 = 12,765.29/x
  3. Step 3: Cross multiply
    26,809.03x = 40,187.40 × 12,765.29
  4. Step 4: Simplify right side
    26,809.03x = 513,003,614.41
  5. Step 5: Solve for x
    x = 513,003,614.41/26,809.03
  6. Step 6: Final answer
    x = 19,135.48

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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.