Home / 25,696.45-35,395.09-18,129.43

Finding the Fourth Proportional to 25,696.45, 35,395.09 and 18,129.43

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Solution

The fourth proportional to 25,696.45, 35,395.09 and 18,129.43 is: 24,972.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.45 : 35,395.09 = 18,129.43 : x
  2. Step 2: Convert to fraction form
    25,696.45/35,395.09 = 18,129.43/x
  3. Step 3: Cross multiply
    25,696.45x = 35,395.09 × 18,129.43
  4. Step 4: Simplify right side
    25,696.45x = 641,692,806.50
  5. Step 5: Solve for x
    x = 641,692,806.50/25,696.45
  6. Step 6: Final answer
    x = 24,972.04

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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.