Home / 26,965.68-37,212.78-15,641.88

Finding the Fourth Proportional to 26,965.68, 37,212.78 and 15,641.88

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Solution

The fourth proportional to 26,965.68, 37,212.78 and 15,641.88 is: 21,585.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,965.68 : 37,212.78 = 15,641.88 : x
  2. Step 2: Convert to fraction form
    26,965.68/37,212.78 = 15,641.88/x
  3. Step 3: Cross multiply
    26,965.68x = 37,212.78 × 15,641.88
  4. Step 4: Simplify right side
    26,965.68x = 582,077,839.23
  5. Step 5: Solve for x
    x = 582,077,839.23/26,965.68
  6. Step 6: Final answer
    x = 21,585.88

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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.