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Finding the Fourth Proportional to 25,752.66, 38,625.95 and 6,779.22

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Solution

The fourth proportional to 25,752.66, 38,625.95 and 6,779.22 is: 10,168.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,752.66 : 38,625.95 = 6,779.22 : x
  2. Step 2: Convert to fraction form
    25,752.66/38,625.95 = 6,779.22/x
  3. Step 3: Cross multiply
    25,752.66x = 38,625.95 × 6,779.22
  4. Step 4: Simplify right side
    25,752.66x = 261,853,707.72
  5. Step 5: Solve for x
    x = 261,853,707.72/25,752.66
  6. Step 6: Final answer
    x = 10,168.03

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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.