Home / 26,287.12-36,274.68-15,109.12

Finding the Fourth Proportional to 26,287.12, 36,274.68 and 15,109.12

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Solution

The fourth proportional to 26,287.12, 36,274.68 and 15,109.12 is: 20,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.12 : 36,274.68 = 15,109.12 : x
  2. Step 2: Convert to fraction form
    26,287.12/36,274.68 = 15,109.12/x
  3. Step 3: Cross multiply
    26,287.12x = 36,274.68 × 15,109.12
  4. Step 4: Simplify right side
    26,287.12x = 548,078,493.08
  5. Step 5: Solve for x
    x = 548,078,493.08/26,287.12
  6. Step 6: Final answer
    x = 20,849.70

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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.