Home / 19,204.50-28,811.61-5,353.50

Finding the Fourth Proportional to 19,204.50, 28,811.61 and 5,353.50

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Solution

The fourth proportional to 19,204.50, 28,811.61 and 5,353.50 is: 8,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.50 : 28,811.61 = 5,353.50 : x
  2. Step 2: Convert to fraction form
    19,204.50/28,811.61 = 5,353.50/x
  3. Step 3: Cross multiply
    19,204.50x = 28,811.61 × 5,353.50
  4. Step 4: Simplify right side
    19,204.50x = 154,242,954.14
  5. Step 5: Solve for x
    x = 154,242,954.14/19,204.50
  6. Step 6: Final answer
    x = 8,031.60

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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.