Home / 25,696.95-35,395.79-18,129.93

Finding the Fourth Proportional to 25,696.95, 35,395.79 and 18,129.93

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Solution

The fourth proportional to 25,696.95, 35,395.79 and 18,129.93 is: 24,972.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,696.95 : 35,395.79 = 18,129.93 : x
  2. Step 2: Convert to fraction form
    25,696.95/35,395.79 = 18,129.93/x
  3. Step 3: Cross multiply
    25,696.95x = 35,395.79 × 18,129.93
  4. Step 4: Simplify right side
    25,696.95x = 641,723,104.35
  5. Step 5: Solve for x
    x = 641,723,104.35/25,696.95
  6. Step 6: Final answer
    x = 24,972.73

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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.