Home / 19,227.60-28,844.40-6,078.72

Finding the Fourth Proportional to 19,227.60, 28,844.40 and 6,078.72

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Solution

The fourth proportional to 19,227.60, 28,844.40 and 6,078.72 is: 9,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,227.60 : 28,844.40 = 6,078.72 : x
  2. Step 2: Convert to fraction form
    19,227.60/28,844.40 = 6,078.72/x
  3. Step 3: Cross multiply
    19,227.60x = 28,844.40 × 6,078.72
  4. Step 4: Simplify right side
    19,227.60x = 175,337,031.17
  5. Step 5: Solve for x
    x = 175,337,031.17/19,227.60
  6. Step 6: Final answer
    x = 9,119.03

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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.