Home / 25,413.14-38,124.81-8,773.79

Finding the Fourth Proportional to 25,413.14, 38,124.81 and 8,773.79

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Solution

The fourth proportional to 25,413.14, 38,124.81 and 8,773.79 is: 13,162.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,413.14 : 38,124.81 = 8,773.79 : x
  2. Step 2: Convert to fraction form
    25,413.14/38,124.81 = 8,773.79/x
  3. Step 3: Cross multiply
    25,413.14x = 38,124.81 × 8,773.79
  4. Step 4: Simplify right side
    25,413.14x = 334,498,886.11
  5. Step 5: Solve for x
    x = 334,498,886.11/25,413.14
  6. Step 6: Final answer
    x = 13,162.44

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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.