Home / 26,747.11-36,909.77-15,418.63

Finding the Fourth Proportional to 26,747.11, 36,909.77 and 15,418.63

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Solution

The fourth proportional to 26,747.11, 36,909.77 and 15,418.63 is: 21,276.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.11 : 36,909.77 = 15,418.63 : x
  2. Step 2: Convert to fraction form
    26,747.11/36,909.77 = 15,418.63/x
  3. Step 3: Cross multiply
    26,747.11x = 36,909.77 × 15,418.63
  4. Step 4: Simplify right side
    26,747.11x = 569,098,087.02
  5. Step 5: Solve for x
    x = 569,098,087.02/26,747.11
  6. Step 6: Final answer
    x = 21,276.99

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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.