Home / 26,305.71-36,300.96-15,689.85

Finding the Fourth Proportional to 26,305.71, 36,300.96 and 15,689.85

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Solution

The fourth proportional to 26,305.71, 36,300.96 and 15,689.85 is: 21,651.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,305.71 : 36,300.96 = 15,689.85 : x
  2. Step 2: Convert to fraction form
    26,305.71/36,300.96 = 15,689.85/x
  3. Step 3: Cross multiply
    26,305.71x = 36,300.96 × 15,689.85
  4. Step 4: Simplify right side
    26,305.71x = 569,556,617.26
  5. Step 5: Solve for x
    x = 569,556,617.26/26,305.71
  6. Step 6: Final answer
    x = 21,651.44

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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.