Home / 18,838.17-28,257.39-5,690.52

Finding the Fourth Proportional to 18,838.17, 28,257.39 and 5,690.52

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Solution

The fourth proportional to 18,838.17, 28,257.39 and 5,690.52 is: 8,535.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.17 : 28,257.39 = 5,690.52 : x
  2. Step 2: Convert to fraction form
    18,838.17/28,257.39 = 5,690.52/x
  3. Step 3: Cross multiply
    18,838.17x = 28,257.39 × 5,690.52
  4. Step 4: Simplify right side
    18,838.17x = 160,799,242.94
  5. Step 5: Solve for x
    x = 160,799,242.94/18,838.17
  6. Step 6: Final answer
    x = 8,535.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.