Home / 25,800.42-38,391.66-25,712.94

Finding the Fourth Proportional to 25,800.42, 38,391.66 and 25,712.94

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Solution

The fourth proportional to 25,800.42, 38,391.66 and 25,712.94 is: 38,261.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,800.42 : 38,391.66 = 25,712.94 : x
  2. Step 2: Convert to fraction form
    25,800.42/38,391.66 = 25,712.94/x
  3. Step 3: Cross multiply
    25,800.42x = 38,391.66 × 25,712.94
  4. Step 4: Simplify right side
    25,800.42x = 987,162,450.08
  5. Step 5: Solve for x
    x = 987,162,450.08/25,800.42
  6. Step 6: Final answer
    x = 38,261.49

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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.