Home / 28,666.05-42,997.50-8,942.33

Finding the Fourth Proportional to 28,666.05, 42,997.50 and 8,942.33

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Solution

The fourth proportional to 28,666.05, 42,997.50 and 8,942.33 is: 13,413.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,666.05 : 42,997.50 = 8,942.33 : x
  2. Step 2: Convert to fraction form
    28,666.05/42,997.50 = 8,942.33/x
  3. Step 3: Cross multiply
    28,666.05x = 42,997.50 × 8,942.33
  4. Step 4: Simplify right side
    28,666.05x = 384,497,619.19
  5. Step 5: Solve for x
    x = 384,497,619.19/28,666.05
  6. Step 6: Final answer
    x = 13,413.00

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1.5x scale

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.