Home / 40,433.37-60,647.18-15,128.07

Finding the Fourth Proportional to 40,433.37, 60,647.18 and 15,128.07

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Solution

The fourth proportional to 40,433.37, 60,647.18 and 15,128.07 is: 22,691.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,433.37 : 60,647.18 = 15,128.07 : x
  2. Step 2: Convert to fraction form
    40,433.37/60,647.18 = 15,128.07/x
  3. Step 3: Cross multiply
    40,433.37x = 60,647.18 × 15,128.07
  4. Step 4: Simplify right side
    40,433.37x = 917,474,708.70
  5. Step 5: Solve for x
    x = 917,474,708.70/40,433.37
  6. Step 6: Final answer
    x = 22,691.03

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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.