Home / 40,289.13-60,372.14-16,902.81

Finding the Fourth Proportional to 40,289.13, 60,372.14 and 16,902.81

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Solution

The fourth proportional to 40,289.13, 60,372.14 and 16,902.81 is: 25,328.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,289.13 : 60,372.14 = 16,902.81 : x
  2. Step 2: Convert to fraction form
    40,289.13/60,372.14 = 16,902.81/x
  3. Step 3: Cross multiply
    40,289.13x = 60,372.14 × 16,902.81
  4. Step 4: Simplify right side
    40,289.13x = 1,020,458,727.20
  5. Step 5: Solve for x
    x = 1,020,458,727.20/40,289.13
  6. Step 6: Final answer
    x = 25,328.39

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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.