Home / 28,995.27-43,419.06-19,104.57

Finding the Fourth Proportional to 28,995.27, 43,419.06 and 19,104.57

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Solution

The fourth proportional to 28,995.27, 43,419.06 and 19,104.57 is: 28,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,995.27 : 43,419.06 = 19,104.57 : x
  2. Step 2: Convert to fraction form
    28,995.27/43,419.06 = 19,104.57/x
  3. Step 3: Cross multiply
    28,995.27x = 43,419.06 × 19,104.57
  4. Step 4: Simplify right side
    28,995.27x = 829,502,471.10
  5. Step 5: Solve for x
    x = 829,502,471.10/28,995.27
  6. Step 6: Final answer
    x = 28,608.20

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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.