Home / 26,115.89-36,042.81-15,506.17

Finding the Fourth Proportional to 26,115.89, 36,042.81 and 15,506.17

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Solution

The fourth proportional to 26,115.89, 36,042.81 and 15,506.17 is: 21,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.89 : 36,042.81 = 15,506.17 : x
  2. Step 2: Convert to fraction form
    26,115.89/36,042.81 = 15,506.17/x
  3. Step 3: Cross multiply
    26,115.89x = 36,042.81 × 15,506.17
  4. Step 4: Simplify right side
    26,115.89x = 558,885,790.88
  5. Step 5: Solve for x
    x = 558,885,790.88/26,115.89
  6. Step 6: Final answer
    x = 21,400.22

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Double scale
Find fourth proportional to 26,116.89, 36,044.19 and 15,507.17
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.