Home / 19,132.20-28,700.39-6,491.08

Finding the Fourth Proportional to 19,132.20, 28,700.39 and 6,491.08

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Solution

The fourth proportional to 19,132.20, 28,700.39 and 6,491.08 is: 9,737.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,132.20 : 28,700.39 = 6,491.08 : x
  2. Step 2: Convert to fraction form
    19,132.20/28,700.39 = 6,491.08/x
  3. Step 3: Cross multiply
    19,132.20x = 28,700.39 × 6,491.08
  4. Step 4: Simplify right side
    19,132.20x = 186,296,532.06
  5. Step 5: Solve for x
    x = 186,296,532.06/19,132.20
  6. Step 6: Final answer
    x = 9,737.33

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