Home / 40,286.20-60,386.10-15,316.60

Finding the Fourth Proportional to 40,286.20, 60,386.10 and 15,316.60

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Solution

The fourth proportional to 40,286.20, 60,386.10 and 15,316.60 is: 22,958.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,286.20 : 60,386.10 = 15,316.60 : x
  2. Step 2: Convert to fraction form
    40,286.20/60,386.10 = 15,316.60/x
  3. Step 3: Cross multiply
    40,286.20x = 60,386.10 × 15,316.60
  4. Step 4: Simplify right side
    40,286.20x = 924,909,739.26
  5. Step 5: Solve for x
    x = 924,909,739.26/40,286.20
  6. Step 6: Final answer
    x = 22,958.48

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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.