Home / 28,561.24-39,413.64-16,461.76

Finding the Fourth Proportional to 28,561.24, 39,413.64 and 16,461.76

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Solution

The fourth proportional to 28,561.24, 39,413.64 and 16,461.76 is: 22,716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.24 : 39,413.64 = 16,461.76 : x
  2. Step 2: Convert to fraction form
    28,561.24/39,413.64 = 16,461.76/x
  3. Step 3: Cross multiply
    28,561.24x = 39,413.64 × 16,461.76
  4. Step 4: Simplify right side
    28,561.24x = 648,817,882.41
  5. Step 5: Solve for x
    x = 648,817,882.41/28,561.24
  6. Step 6: Final answer
    x = 22,716.73

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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.