Home / 25,979.96-38,966.06-8,447.24

Finding the Fourth Proportional to 25,979.96, 38,966.06 and 8,447.24

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Solution

The fourth proportional to 25,979.96, 38,966.06 and 8,447.24 is: 12,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,979.96 : 38,966.06 = 8,447.24 : x
  2. Step 2: Convert to fraction form
    25,979.96/38,966.06 = 8,447.24/x
  3. Step 3: Cross multiply
    25,979.96x = 38,966.06 × 8,447.24
  4. Step 4: Simplify right side
    25,979.96x = 329,155,660.67
  5. Step 5: Solve for x
    x = 329,155,660.67/25,979.96
  6. Step 6: Final answer
    x = 12,669.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.