Home / 18,818.32-25,972.68-17,878.48

Finding the Fourth Proportional to 18,818.32, 25,972.68 and 17,878.48

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Solution

The fourth proportional to 18,818.32, 25,972.68 and 17,878.48 is: 24,675.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,818.32 : 25,972.68 = 17,878.48 : x
  2. Step 2: Convert to fraction form
    18,818.32/25,972.68 = 17,878.48/x
  3. Step 3: Cross multiply
    18,818.32x = 25,972.68 × 17,878.48
  4. Step 4: Simplify right side
    18,818.32x = 464,352,039.93
  5. Step 5: Solve for x
    x = 464,352,039.93/18,818.32
  6. Step 6: Final answer
    x = 24,675.53

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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.