Home / 43,728.56-65,606.76-18,441.52

Finding the Fourth Proportional to 43,728.56, 65,606.76 and 18,441.52

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Solution

The fourth proportional to 43,728.56, 65,606.76 and 18,441.52 is: 27,668.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,728.56 : 65,606.76 = 18,441.52 : x
  2. Step 2: Convert to fraction form
    43,728.56/65,606.76 = 18,441.52/x
  3. Step 3: Cross multiply
    43,728.56x = 65,606.76 × 18,441.52
  4. Step 4: Simplify right side
    43,728.56x = 1,209,888,376.68
  5. Step 5: Solve for x
    x = 1,209,888,376.68/43,728.56
  6. Step 6: Final answer
    x = 27,668.15

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1.5x scale

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.