Home / 26,398.72-39,542.94-15,835.24

Finding the Fourth Proportional to 26,398.72, 39,542.94 and 15,835.24

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Solution

The fourth proportional to 26,398.72, 39,542.94 and 15,835.24 is: 23,719.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,398.72 : 39,542.94 = 15,835.24 : x
  2. Step 2: Convert to fraction form
    26,398.72/39,542.94 = 15,835.24/x
  3. Step 3: Cross multiply
    26,398.72x = 39,542.94 × 15,835.24
  4. Step 4: Simplify right side
    26,398.72x = 626,171,945.21
  5. Step 5: Solve for x
    x = 626,171,945.21/26,398.72
  6. Step 6: Final answer
    x = 23,719.78

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1.5x scale

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.