Home / 19,052.20-28,579.52-5,913.19

Finding the Fourth Proportional to 19,052.20, 28,579.52 and 5,913.19

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Solution

The fourth proportional to 19,052.20, 28,579.52 and 5,913.19 is: 8,870.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,052.20 : 28,579.52 = 5,913.19 : x
  2. Step 2: Convert to fraction form
    19,052.20/28,579.52 = 5,913.19/x
  3. Step 3: Cross multiply
    19,052.20x = 28,579.52 × 5,913.19
  4. Step 4: Simplify right side
    19,052.20x = 168,996,131.87
  5. Step 5: Solve for x
    x = 168,996,131.87/19,052.20
  6. Step 6: Final answer
    x = 8,870.16

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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.