Home / 25,929.15-38,895.77-12,774.34

Finding the Fourth Proportional to 25,929.15, 38,895.77 and 12,774.34

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Solution

The fourth proportional to 25,929.15, 38,895.77 and 12,774.34 is: 19,162.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,929.15 : 38,895.77 = 12,774.34 : x
  2. Step 2: Convert to fraction form
    25,929.15/38,895.77 = 12,774.34/x
  3. Step 3: Cross multiply
    25,929.15x = 38,895.77 × 12,774.34
  4. Step 4: Simplify right side
    25,929.15x = 496,867,790.54
  5. Step 5: Solve for x
    x = 496,867,790.54/25,929.15
  6. Step 6: Final answer
    x = 19,162.52

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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.