Home / 25,093.69-34,542.38-21,689.15

Finding the Fourth Proportional to 25,093.69, 34,542.38 and 21,689.15

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Solution

The fourth proportional to 25,093.69, 34,542.38 and 21,689.15 is: 29,855.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,093.69 : 34,542.38 = 21,689.15 : x
  2. Step 2: Convert to fraction form
    25,093.69/34,542.38 = 21,689.15/x
  3. Step 3: Cross multiply
    25,093.69x = 34,542.38 × 21,689.15
  4. Step 4: Simplify right side
    25,093.69x = 749,194,861.18
  5. Step 5: Solve for x
    x = 749,194,861.18/25,093.69
  6. Step 6: Final answer
    x = 29,855.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.