Home / 26,644.20-39,938.76-9,992.49

Finding the Fourth Proportional to 26,644.20, 39,938.76 and 9,992.49

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Solution

The fourth proportional to 26,644.20, 39,938.76 and 9,992.49 is: 14,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,644.20 : 39,938.76 = 9,992.49 : x
  2. Step 2: Convert to fraction form
    26,644.20/39,938.76 = 9,992.49/x
  3. Step 3: Cross multiply
    26,644.20x = 39,938.76 × 9,992.49
  4. Step 4: Simplify right side
    26,644.20x = 399,087,659.91
  5. Step 5: Solve for x
    x = 399,087,659.91/26,644.20
  6. Step 6: Final answer
    x = 14,978.41

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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.