Home / 25,755.57-35,508.68-18,579.48

Finding the Fourth Proportional to 25,755.57, 35,508.68 and 18,579.48

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Solution

The fourth proportional to 25,755.57, 35,508.68 and 18,579.48 is: 25,615.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,755.57 : 35,508.68 = 18,579.48 : x
  2. Step 2: Convert to fraction form
    25,755.57/35,508.68 = 18,579.48/x
  3. Step 3: Cross multiply
    25,755.57x = 35,508.68 × 18,579.48
  4. Step 4: Simplify right side
    25,755.57x = 659,732,653.50
  5. Step 5: Solve for x
    x = 659,732,653.50/25,755.57
  6. Step 6: Final answer
    x = 25,615.14

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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.