Home / 28,869.36-43,309.74-10,151.38

Finding the Fourth Proportional to 28,869.36, 43,309.74 and 10,151.38

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Solution

The fourth proportional to 28,869.36, 43,309.74 and 10,151.38 is: 15,229.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,869.36 : 43,309.74 = 10,151.38 : x
  2. Step 2: Convert to fraction form
    28,869.36/43,309.74 = 10,151.38/x
  3. Step 3: Cross multiply
    28,869.36x = 43,309.74 × 10,151.38
  4. Step 4: Simplify right side
    28,869.36x = 439,653,419.93
  5. Step 5: Solve for x
    x = 439,653,419.93/28,869.36
  6. Step 6: Final answer
    x = 15,229.07

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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.