Home / 25,768.42-38,602.28-17,761.74

Finding the Fourth Proportional to 25,768.42, 38,602.28 and 17,761.74

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Solution

The fourth proportional to 25,768.42, 38,602.28 and 17,761.74 is: 26,607.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.42 : 38,602.28 = 17,761.74 : x
  2. Step 2: Convert to fraction form
    25,768.42/38,602.28 = 17,761.74/x
  3. Step 3: Cross multiply
    25,768.42x = 38,602.28 × 17,761.74
  4. Step 4: Simplify right side
    25,768.42x = 685,643,660.77
  5. Step 5: Solve for x
    x = 685,643,660.77/25,768.42
  6. Step 6: Final answer
    x = 26,607.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.