Home / 25,780.08-38,669.41-8,249.66

Finding the Fourth Proportional to 25,780.08, 38,669.41 and 8,249.66

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Solution

The fourth proportional to 25,780.08, 38,669.41 and 8,249.66 is: 12,374.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,780.08 : 38,669.41 = 8,249.66 : x
  2. Step 2: Convert to fraction form
    25,780.08/38,669.41 = 8,249.66/x
  3. Step 3: Cross multiply
    25,780.08x = 38,669.41 × 8,249.66
  4. Step 4: Simplify right side
    25,780.08x = 319,009,484.90
  5. Step 5: Solve for x
    x = 319,009,484.90/25,780.08
  6. Step 6: Final answer
    x = 12,374.26

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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.