Home / 22,808.11-31,490.00-20,413.94

Finding the Fourth Proportional to 22,808.11, 31,490.00 and 20,413.94

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Solution

The fourth proportional to 22,808.11, 31,490.00 and 20,413.94 is: 28,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,808.11 : 31,490.00 = 20,413.94 : x
  2. Step 2: Convert to fraction form
    22,808.11/31,490.00 = 20,413.94/x
  3. Step 3: Cross multiply
    22,808.11x = 31,490.00 × 20,413.94
  4. Step 4: Simplify right side
    22,808.11x = 642,834,948.75
  5. Step 5: Solve for x
    x = 642,834,948.75/22,808.11
  6. Step 6: Final answer
    x = 28,184.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.