Home / 26,636.57-39,906.40-15,509.53

Finding the Fourth Proportional to 26,636.57, 39,906.40 and 15,509.53

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Solution

The fourth proportional to 26,636.57, 39,906.40 and 15,509.53 is: 23,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,636.57 : 39,906.40 = 15,509.53 : x
  2. Step 2: Convert to fraction form
    26,636.57/39,906.40 = 15,509.53/x
  3. Step 3: Cross multiply
    26,636.57x = 39,906.40 × 15,509.53
  4. Step 4: Simplify right side
    26,636.57x = 618,929,308.46
  5. Step 5: Solve for x
    x = 618,929,308.46/26,636.57
  6. Step 6: Final answer
    x = 23,236.07

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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.