Home / 26,731.76-36,890.44-14,795.60

Finding the Fourth Proportional to 26,731.76, 36,890.44 and 14,795.60

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Solution

The fourth proportional to 26,731.76, 36,890.44 and 14,795.60 is: 20,418.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,731.76 : 36,890.44 = 14,795.60 : x
  2. Step 2: Convert to fraction form
    26,731.76/36,890.44 = 14,795.60/x
  3. Step 3: Cross multiply
    26,731.76x = 36,890.44 × 14,795.60
  4. Step 4: Simplify right side
    26,731.76x = 545,815,972.62
  5. Step 5: Solve for x
    x = 545,815,972.62/26,731.76
  6. Step 6: Final answer
    x = 20,418.26

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1.5x scale

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.