Home / 25,675.08-38,513.70-12,539.04

Finding the Fourth Proportional to 25,675.08, 38,513.70 and 12,539.04

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Solution

The fourth proportional to 25,675.08, 38,513.70 and 12,539.04 is: 18,809.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,675.08 : 38,513.70 = 12,539.04 : x
  2. Step 2: Convert to fraction form
    25,675.08/38,513.70 = 12,539.04/x
  3. Step 3: Cross multiply
    25,675.08x = 38,513.70 × 12,539.04
  4. Step 4: Simplify right side
    25,675.08x = 482,924,824.85
  5. Step 5: Solve for x
    x = 482,924,824.85/25,675.08
  6. Step 6: Final answer
    x = 18,809.09

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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.