Home / 26,777.67-36,949.01-15,447.60

Finding the Fourth Proportional to 26,777.67, 36,949.01 and 15,447.60

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Solution

The fourth proportional to 26,777.67, 36,949.01 and 15,447.60 is: 21,315.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,777.67 : 36,949.01 = 15,447.60 : x
  2. Step 2: Convert to fraction form
    26,777.67/36,949.01 = 15,447.60/x
  3. Step 3: Cross multiply
    26,777.67x = 36,949.01 × 15,447.60
  4. Step 4: Simplify right side
    26,777.67x = 570,773,449.64
  5. Step 5: Solve for x
    x = 570,773,449.64/26,777.67
  6. Step 6: Final answer
    x = 21,315.28

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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.