Home / 28,516.12-42,774.62-8,794.64

Finding the Fourth Proportional to 28,516.12, 42,774.62 and 8,794.64

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Solution

The fourth proportional to 28,516.12, 42,774.62 and 8,794.64 is: 13,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,516.12 : 42,774.62 = 8,794.64 : x
  2. Step 2: Convert to fraction form
    28,516.12/42,774.62 = 8,794.64/x
  3. Step 3: Cross multiply
    28,516.12x = 42,774.62 × 8,794.64
  4. Step 4: Simplify right side
    28,516.12x = 376,187,447.00
  5. Step 5: Solve for x
    x = 376,187,447.00/28,516.12
  6. Step 6: Final answer
    x = 13,192.10

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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.