Home / 19,242.20-28,862.22-5,202.02

Finding the Fourth Proportional to 19,242.20, 28,862.22 and 5,202.02

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Solution

The fourth proportional to 19,242.20, 28,862.22 and 5,202.02 is: 7,802.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,242.20 : 28,862.22 = 5,202.02 : x
  2. Step 2: Convert to fraction form
    19,242.20/28,862.22 = 5,202.02/x
  3. Step 3: Cross multiply
    19,242.20x = 28,862.22 × 5,202.02
  4. Step 4: Simplify right side
    19,242.20x = 150,141,845.68
  5. Step 5: Solve for x
    x = 150,141,845.68/19,242.20
  6. Step 6: Final answer
    x = 7,802.74

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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.