Home / 26,777.45-39,926.78-26,041.79

Finding the Fourth Proportional to 26,777.45, 39,926.78 and 26,041.79

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Solution

The fourth proportional to 26,777.45, 39,926.78 and 26,041.79 is: 38,829.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,777.45 : 39,926.78 = 26,041.79 : x
  2. Step 2: Convert to fraction form
    26,777.45/39,926.78 = 26,041.79/x
  3. Step 3: Cross multiply
    26,777.45x = 39,926.78 × 26,041.79
  4. Step 4: Simplify right side
    26,777.45x = 1,039,764,640.02
  5. Step 5: Solve for x
    x = 1,039,764,640.02/26,777.45
  6. Step 6: Final answer
    x = 38,829.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.