Home / 25,974.88-38,971.60-8,444.78

Finding the Fourth Proportional to 25,974.88, 38,971.60 and 8,444.78

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Solution

The fourth proportional to 25,974.88, 38,971.60 and 8,444.78 is: 12,670.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,974.88 : 38,971.60 = 8,444.78 : x
  2. Step 2: Convert to fraction form
    25,974.88/38,971.60 = 8,444.78/x
  3. Step 3: Cross multiply
    25,974.88x = 38,971.60 × 8,444.78
  4. Step 4: Simplify right side
    25,974.88x = 329,106,588.25
  5. Step 5: Solve for x
    x = 329,106,588.25/25,974.88
  6. Step 6: Final answer
    x = 12,670.19

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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.