Home / 28,899-43,349.73-9,177.12

Finding the Fourth Proportional to 28,899, 43,349.73 and 9,177.12

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Solution

The fourth proportional to 28,899, 43,349.73 and 9,177.12 is: 13,766.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,899 : 43,349.73 = 9,177.12 : x
  2. Step 2: Convert to fraction form
    28,899/43,349.73 = 9,177.12/x
  3. Step 3: Cross multiply
    28,899x = 43,349.73 × 9,177.12
  4. Step 4: Simplify right side
    28,899x = 397,825,674.18
  5. Step 5: Solve for x
    x = 397,825,674.18/28,899
  6. Step 6: Final answer
    x = 13,766.07

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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.