Home / 20,732-28,610.18-11,300.60

Finding the Fourth Proportional to 20,732, 28,610.18 and 11,300.60

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Solution

The fourth proportional to 20,732, 28,610.18 and 11,300.60 is: 15,594.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732 : 28,610.18 = 11,300.60 : x
  2. Step 2: Convert to fraction form
    20,732/28,610.18 = 11,300.60/x
  3. Step 3: Cross multiply
    20,732x = 28,610.18 × 11,300.60
  4. Step 4: Simplify right side
    20,732x = 323,312,200.11
  5. Step 5: Solve for x
    x = 323,312,200.11/20,732
  6. Step 6: Final answer
    x = 15,594.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.