Home / 26,748.80-36,910.21-15,418.17

Finding the Fourth Proportional to 26,748.80, 36,910.21 and 15,418.17

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Solution

The fourth proportional to 26,748.80, 36,910.21 and 15,418.17 is: 21,275.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.80 : 36,910.21 = 15,418.17 : x
  2. Step 2: Convert to fraction form
    26,748.80/36,910.21 = 15,418.17/x
  3. Step 3: Cross multiply
    26,748.80x = 36,910.21 × 15,418.17
  4. Step 4: Simplify right side
    26,748.80x = 569,087,882.88
  5. Step 5: Solve for x
    x = 569,087,882.88/26,748.80
  6. Step 6: Final answer
    x = 21,275.26

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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.