Home / 28,650.29-39,537.26-15,903.62

Finding the Fourth Proportional to 28,650.29, 39,537.26 and 15,903.62

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Solution

The fourth proportional to 28,650.29, 39,537.26 and 15,903.62 is: 21,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,650.29 : 39,537.26 = 15,903.62 : x
  2. Step 2: Convert to fraction form
    28,650.29/39,537.26 = 15,903.62/x
  3. Step 3: Cross multiply
    28,650.29x = 39,537.26 × 15,903.62
  4. Step 4: Simplify right side
    28,650.29x = 628,785,578.21
  5. Step 5: Solve for x
    x = 628,785,578.21/28,650.29
  6. Step 6: Final answer
    x = 21,946.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.