Home / 25,830.08-38,759.88-21,500

Finding the Fourth Proportional to 25,830.08, 38,759.88 and 21,500

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Solution

The fourth proportional to 25,830.08, 38,759.88 and 21,500 is: 32,262.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,830.08 : 38,759.88 = 21,500 : x
  2. Step 2: Convert to fraction form
    25,830.08/38,759.88 = 21,500/x
  3. Step 3: Cross multiply
    25,830.08x = 38,759.88 × 21,500
  4. Step 4: Simplify right side
    25,830.08x = 833,337,420
  5. Step 5: Solve for x
    x = 833,337,420/25,830.08
  6. Step 6: Final answer
    x = 32,262.29

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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.