Home / 26,775.89-36,950.24-15,445.88

Finding the Fourth Proportional to 26,775.89, 36,950.24 and 15,445.88

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Solution

The fourth proportional to 26,775.89, 36,950.24 and 15,445.88 is: 21,315.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,775.89 : 36,950.24 = 15,445.88 : x
  2. Step 2: Convert to fraction form
    26,775.89/36,950.24 = 15,445.88/x
  3. Step 3: Cross multiply
    26,775.89x = 36,950.24 × 15,445.88
  4. Step 4: Simplify right side
    26,775.89x = 570,728,973.01
  5. Step 5: Solve for x
    x = 570,728,973.01/26,775.89
  6. Step 6: Final answer
    x = 21,315.03

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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.