Home / 43,568.72-65,314.35-15,485.07

Finding the Fourth Proportional to 43,568.72, 65,314.35 and 15,485.07

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Solution

The fourth proportional to 43,568.72, 65,314.35 and 15,485.07 is: 23,213.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,568.72 : 65,314.35 = 15,485.07 : x
  2. Step 2: Convert to fraction form
    43,568.72/65,314.35 = 15,485.07/x
  3. Step 3: Cross multiply
    43,568.72x = 65,314.35 × 15,485.07
  4. Step 4: Simplify right side
    43,568.72x = 1,011,397,526.68
  5. Step 5: Solve for x
    x = 1,011,397,526.68/43,568.72
  6. Step 6: Final answer
    x = 23,213.85

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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.