Home / 25,675.58-38,514.45-12,539.54

Finding the Fourth Proportional to 25,675.58, 38,514.45 and 12,539.54

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Solution

The fourth proportional to 25,675.58, 38,514.45 and 12,539.54 is: 18,809.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.58 : 38,514.45 = 12,539.54 : x
  2. Step 2: Convert to fraction form
    25,675.58/38,514.45 = 12,539.54/x
  3. Step 3: Cross multiply
    25,675.58x = 38,514.45 × 12,539.54
  4. Step 4: Simplify right side
    25,675.58x = 482,953,486.35
  5. Step 5: Solve for x
    x = 482,953,486.35/25,675.58
  6. Step 6: Final answer
    x = 18,809.84

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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.