Home / 19,017.50-28,530.05-5,869.38

Finding the Fourth Proportional to 19,017.50, 28,530.05 and 5,869.38

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Solution

The fourth proportional to 19,017.50, 28,530.05 and 5,869.38 is: 8,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,017.50 : 28,530.05 = 5,869.38 : x
  2. Step 2: Convert to fraction form
    19,017.50/28,530.05 = 5,869.38/x
  3. Step 3: Cross multiply
    19,017.50x = 28,530.05 × 5,869.38
  4. Step 4: Simplify right side
    19,017.50x = 167,453,704.87
  5. Step 5: Solve for x
    x = 167,453,704.87/19,017.50
  6. Step 6: Final answer
    x = 8,805.24

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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.