Home / 25,603.36-38,429.03-15,761.86

Finding the Fourth Proportional to 25,603.36, 38,429.03 and 15,761.86

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Solution

The fourth proportional to 25,603.36, 38,429.03 and 15,761.86 is: 23,657.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,603.36 : 38,429.03 = 15,761.86 : x
  2. Step 2: Convert to fraction form
    25,603.36/38,429.03 = 15,761.86/x
  3. Step 3: Cross multiply
    25,603.36x = 38,429.03 × 15,761.86
  4. Step 4: Simplify right side
    25,603.36x = 605,712,934.13
  5. Step 5: Solve for x
    x = 605,712,934.13/25,603.36
  6. Step 6: Final answer
    x = 23,657.56

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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.