Home / 28,396.83-42,601.39-10,866.66

Finding the Fourth Proportional to 28,396.83, 42,601.39 and 10,866.66

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Solution

The fourth proportional to 28,396.83, 42,601.39 and 10,866.66 is: 16,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,396.83 : 42,601.39 = 10,866.66 : x
  2. Step 2: Convert to fraction form
    28,396.83/42,601.39 = 10,866.66/x
  3. Step 3: Cross multiply
    28,396.83x = 42,601.39 × 10,866.66
  4. Step 4: Simplify right side
    28,396.83x = 462,934,694.86
  5. Step 5: Solve for x
    x = 462,934,694.86/28,396.83
  6. Step 6: Final answer
    x = 16,302.34

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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.