Home / 19,015.01-28,499.90-8,869.76

Finding the Fourth Proportional to 19,015.01, 28,499.90 and 8,869.76

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Solution

The fourth proportional to 19,015.01, 28,499.90 and 8,869.76 is: 13,294.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,015.01 : 28,499.90 = 8,869.76 : x
  2. Step 2: Convert to fraction form
    19,015.01/28,499.90 = 8,869.76/x
  3. Step 3: Cross multiply
    19,015.01x = 28,499.90 × 8,869.76
  4. Step 4: Simplify right side
    19,015.01x = 252,787,152.70
  5. Step 5: Solve for x
    x = 252,787,152.70/19,015.01
  6. Step 6: Final answer
    x = 13,294.09

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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.