Home / 26,685.74-36,823.14-15,928.64

Finding the Fourth Proportional to 26,685.74, 36,823.14 and 15,928.64

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Solution

The fourth proportional to 26,685.74, 36,823.14 and 15,928.64 is: 21,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.74 : 36,823.14 = 15,928.64 : x
  2. Step 2: Convert to fraction form
    26,685.74/36,823.14 = 15,928.64/x
  3. Step 3: Cross multiply
    26,685.74x = 36,823.14 × 15,928.64
  4. Step 4: Simplify right side
    26,685.74x = 586,542,540.73
  5. Step 5: Solve for x
    x = 586,542,540.73/26,685.74
  6. Step 6: Final answer
    x = 21,979.62

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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.