Home / 28,807.59-43,211.39-9,087.68

Finding the Fourth Proportional to 28,807.59, 43,211.39 and 9,087.68

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Solution

The fourth proportional to 28,807.59, 43,211.39 and 9,087.68 is: 13,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,807.59 : 43,211.39 = 9,087.68 : x
  2. Step 2: Convert to fraction form
    28,807.59/43,211.39 = 9,087.68/x
  3. Step 3: Cross multiply
    28,807.59x = 43,211.39 × 9,087.68
  4. Step 4: Simplify right side
    28,807.59x = 392,691,284.68
  5. Step 5: Solve for x
    x = 392,691,284.68/28,807.59
  6. Step 6: Final answer
    x = 13,631.52

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Similar ratio
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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.