Home / 26,513.29-39,767.86-15,412.90

Finding the Fourth Proportional to 26,513.29, 39,767.86 and 15,412.90

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Solution

The fourth proportional to 26,513.29, 39,767.86 and 15,412.90 is: 23,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,513.29 : 39,767.86 = 15,412.90 : x
  2. Step 2: Convert to fraction form
    26,513.29/39,767.86 = 15,412.90/x
  3. Step 3: Cross multiply
    26,513.29x = 39,767.86 × 15,412.90
  4. Step 4: Simplify right side
    26,513.29x = 612,938,049.39
  5. Step 5: Solve for x
    x = 612,938,049.39/26,513.29
  6. Step 6: Final answer
    x = 23,118.14

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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.