Home / 28,693.05-43,042.85-7,633.95

Finding the Fourth Proportional to 28,693.05, 43,042.85 and 7,633.95

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Solution

The fourth proportional to 28,693.05, 43,042.85 and 7,633.95 is: 11,451.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,693.05 : 43,042.85 = 7,633.95 : x
  2. Step 2: Convert to fraction form
    28,693.05/43,042.85 = 7,633.95/x
  3. Step 3: Cross multiply
    28,693.05x = 43,042.85 × 7,633.95
  4. Step 4: Simplify right side
    28,693.05x = 328,586,964.76
  5. Step 5: Solve for x
    x = 328,586,964.76/28,693.05
  6. Step 6: Final answer
    x = 11,451.80

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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.