Home / 25,369.43-34,981.14-18,975.53

Finding the Fourth Proportional to 25,369.43, 34,981.14 and 18,975.53

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Solution

The fourth proportional to 25,369.43, 34,981.14 and 18,975.53 is: 26,164.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,369.43 : 34,981.14 = 18,975.53 : x
  2. Step 2: Convert to fraction form
    25,369.43/34,981.14 = 18,975.53/x
  3. Step 3: Cross multiply
    25,369.43x = 34,981.14 × 18,975.53
  4. Step 4: Simplify right side
    25,369.43x = 663,785,496.60
  5. Step 5: Solve for x
    x = 663,785,496.60/25,369.43
  6. Step 6: Final answer
    x = 26,164.78

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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.