Home / 25,945.44-38,918.16-8,417.04

Finding the Fourth Proportional to 25,945.44, 38,918.16 and 8,417.04

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Solution

The fourth proportional to 25,945.44, 38,918.16 and 8,417.04 is: 12,625.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,945.44 : 38,918.16 = 8,417.04 : x
  2. Step 2: Convert to fraction form
    25,945.44/38,918.16 = 8,417.04/x
  3. Step 3: Cross multiply
    25,945.44x = 38,918.16 × 8,417.04
  4. Step 4: Simplify right side
    25,945.44x = 327,575,709.45
  5. Step 5: Solve for x
    x = 327,575,709.45/25,945.44
  6. Step 6: Final answer
    x = 12,625.56

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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.