Home / 28,692.38-43,037.39-9,976.66

Finding the Fourth Proportional to 28,692.38, 43,037.39 and 9,976.66

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Solution

The fourth proportional to 28,692.38, 43,037.39 and 9,976.66 is: 14,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,692.38 : 43,037.39 = 9,976.66 : x
  2. Step 2: Convert to fraction form
    28,692.38/43,037.39 = 9,976.66/x
  3. Step 3: Cross multiply
    28,692.38x = 43,037.39 × 9,976.66
  4. Step 4: Simplify right side
    28,692.38x = 429,369,324.67
  5. Step 5: Solve for x
    x = 429,369,324.67/28,692.38
  6. Step 6: Final answer
    x = 14,964.58

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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.