Home / 26,659.89-36,786.42-15,327.18

Finding the Fourth Proportional to 26,659.89, 36,786.42 and 15,327.18

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Solution

The fourth proportional to 26,659.89, 36,786.42 and 15,327.18 is: 21,149.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,659.89 : 36,786.42 = 15,327.18 : x
  2. Step 2: Convert to fraction form
    26,659.89/36,786.42 = 15,327.18/x
  3. Step 3: Cross multiply
    26,659.89x = 36,786.42 × 15,327.18
  4. Step 4: Simplify right side
    26,659.89x = 563,832,080.90
  5. Step 5: Solve for x
    x = 563,832,080.90/26,659.89
  6. Step 6: Final answer
    x = 21,149.08

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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.