Home / 25,982.60-38,977.97-8,448.32

Finding the Fourth Proportional to 25,982.60, 38,977.97 and 8,448.32

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Solution

The fourth proportional to 25,982.60, 38,977.97 and 8,448.32 is: 12,673.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.60 : 38,977.97 = 8,448.32 : x
  2. Step 2: Convert to fraction form
    25,982.60/38,977.97 = 8,448.32/x
  3. Step 3: Cross multiply
    25,982.60x = 38,977.97 × 8,448.32
  4. Step 4: Simplify right side
    25,982.60x = 329,298,126.38
  5. Step 5: Solve for x
    x = 329,298,126.38/25,982.60
  6. Step 6: Final answer
    x = 12,673.80

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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.