Home / 19,204.38-28,806.36-4,972.77

Finding the Fourth Proportional to 19,204.38, 28,806.36 and 4,972.77

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Solution

The fourth proportional to 19,204.38, 28,806.36 and 4,972.77 is: 7,459.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.38 : 28,806.36 = 4,972.77 : x
  2. Step 2: Convert to fraction form
    19,204.38/28,806.36 = 4,972.77/x
  3. Step 3: Cross multiply
    19,204.38x = 28,806.36 × 4,972.77
  4. Step 4: Simplify right side
    19,204.38x = 143,247,402.82
  5. Step 5: Solve for x
    x = 143,247,402.82/19,204.38
  6. Step 6: Final answer
    x = 7,459.10

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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.