Home / 25,815.85-38,625.93-15,291.52

Finding the Fourth Proportional to 25,815.85, 38,625.93 and 15,291.52

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Solution

The fourth proportional to 25,815.85, 38,625.93 and 15,291.52 is: 22,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,815.85 : 38,625.93 = 15,291.52 : x
  2. Step 2: Convert to fraction form
    25,815.85/38,625.93 = 15,291.52/x
  3. Step 3: Cross multiply
    25,815.85x = 38,625.93 × 15,291.52
  4. Step 4: Simplify right side
    25,815.85x = 590,649,181.11
  5. Step 5: Solve for x
    x = 590,649,181.11/25,815.85
  6. Step 6: Final answer
    x = 22,879.32

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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.