Home / 28,925.33-43,386.17-9,218.03

Finding the Fourth Proportional to 28,925.33, 43,386.17 and 9,218.03

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Solution

The fourth proportional to 28,925.33, 43,386.17 and 9,218.03 is: 13,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.33 : 43,386.17 = 9,218.03 : x
  2. Step 2: Convert to fraction form
    28,925.33/43,386.17 = 9,218.03/x
  3. Step 3: Cross multiply
    28,925.33x = 43,386.17 × 9,218.03
  4. Step 4: Simplify right side
    28,925.33x = 399,934,753.62
  5. Step 5: Solve for x
    x = 399,934,753.62/28,925.33
  6. Step 6: Final answer
    x = 13,826.46

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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.