Home / 19,325.68-28,981.80-5,471.44

Finding the Fourth Proportional to 19,325.68, 28,981.80 and 5,471.44

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Solution

The fourth proportional to 19,325.68, 28,981.80 and 5,471.44 is: 8,205.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,325.68 : 28,981.80 = 5,471.44 : x
  2. Step 2: Convert to fraction form
    19,325.68/28,981.80 = 5,471.44/x
  3. Step 3: Cross multiply
    19,325.68x = 28,981.80 × 5,471.44
  4. Step 4: Simplify right side
    19,325.68x = 158,572,179.79
  5. Step 5: Solve for x
    x = 158,572,179.79/19,325.68
  6. Step 6: Final answer
    x = 8,205.26

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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.