Home / 38,420.82-57,603.23-25,909.76

Finding the Fourth Proportional to 38,420.82, 57,603.23 and 25,909.76

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Solution

The fourth proportional to 38,420.82, 57,603.23 and 25,909.76 is: 38,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420.82 : 57,603.23 = 25,909.76 : x
  2. Step 2: Convert to fraction form
    38,420.82/57,603.23 = 25,909.76/x
  3. Step 3: Cross multiply
    38,420.82x = 57,603.23 × 25,909.76
  4. Step 4: Simplify right side
    38,420.82x = 1,492,485,864.52
  5. Step 5: Solve for x
    x = 1,492,485,864.52/38,420.82
  6. Step 6: Final answer
    x = 38,845.76

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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.