Home / 43,836.78-65,762.23-15,381.64

Finding the Fourth Proportional to 43,836.78, 65,762.23 and 15,381.64

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Solution

The fourth proportional to 43,836.78, 65,762.23 and 15,381.64 is: 23,074.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,836.78 : 65,762.23 = 15,381.64 : x
  2. Step 2: Convert to fraction form
    43,836.78/65,762.23 = 15,381.64/x
  3. Step 3: Cross multiply
    43,836.78x = 65,762.23 × 15,381.64
  4. Step 4: Simplify right side
    43,836.78x = 1,011,530,947.46
  5. Step 5: Solve for x
    x = 1,011,530,947.46/43,836.78
  6. Step 6: Final answer
    x = 23,074.94

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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.