Home / 29,891.64-40,951.73-28,770.60

Finding the Fourth Proportional to 29,891.64, 40,951.73 and 28,770.60

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Solution

The fourth proportional to 29,891.64, 40,951.73 and 28,770.60 is: 39,415.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,891.64 : 40,951.73 = 28,770.60 : x
  2. Step 2: Convert to fraction form
    29,891.64/40,951.73 = 28,770.60/x
  3. Step 3: Cross multiply
    29,891.64x = 40,951.73 × 28,770.60
  4. Step 4: Simplify right side
    29,891.64x = 1,178,205,699.29
  5. Step 5: Solve for x
    x = 1,178,205,699.29/29,891.64
  6. Step 6: Final answer
    x = 39,415.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.