Home / 26,748.48-40,122.54-20,910

Finding the Fourth Proportional to 26,748.48, 40,122.54 and 20,910

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Solution

The fourth proportional to 26,748.48, 40,122.54 and 20,910 is: 31,364.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,748.48 : 40,122.54 = 20,910 : x
  2. Step 2: Convert to fraction form
    26,748.48/40,122.54 = 20,910/x
  3. Step 3: Cross multiply
    26,748.48x = 40,122.54 × 20,910
  4. Step 4: Simplify right side
    26,748.48x = 838,962,311.40
  5. Step 5: Solve for x
    x = 838,962,311.40/26,748.48
  6. Step 6: Final answer
    x = 31,364.86

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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.