Home / 28,942.65-43,386.26-9,208.37

Finding the Fourth Proportional to 28,942.65, 43,386.26 and 9,208.37

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Solution

The fourth proportional to 28,942.65, 43,386.26 and 9,208.37 is: 13,803.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,942.65 : 43,386.26 = 9,208.37 : x
  2. Step 2: Convert to fraction form
    28,942.65/43,386.26 = 9,208.37/x
  3. Step 3: Cross multiply
    28,942.65x = 43,386.26 × 9,208.37
  4. Step 4: Simplify right side
    28,942.65x = 399,516,472.02
  5. Step 5: Solve for x
    x = 399,516,472.02/28,942.65
  6. Step 6: Final answer
    x = 13,803.73

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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.