Home / 25,777.04-38,356.78-25,689.56

Finding the Fourth Proportional to 25,777.04, 38,356.78 and 25,689.56

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Solution

The fourth proportional to 25,777.04, 38,356.78 and 25,689.56 is: 38,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,777.04 : 38,356.78 = 25,689.56 : x
  2. Step 2: Convert to fraction form
    25,777.04/38,356.78 = 25,689.56/x
  3. Step 3: Cross multiply
    25,777.04x = 38,356.78 × 25,689.56
  4. Step 4: Simplify right side
    25,777.04x = 985,368,801.22
  5. Step 5: Solve for x
    x = 985,368,801.22/25,777.04
  6. Step 6: Final answer
    x = 38,226.61

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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.