Home / 28,951.56-43,434.09-9,228.60

Finding the Fourth Proportional to 28,951.56, 43,434.09 and 9,228.60

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Solution

The fourth proportional to 28,951.56, 43,434.09 and 9,228.60 is: 13,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,951.56 : 43,434.09 = 9,228.60 : x
  2. Step 2: Convert to fraction form
    28,951.56/43,434.09 = 9,228.60/x
  3. Step 3: Cross multiply
    28,951.56x = 43,434.09 × 9,228.60
  4. Step 4: Simplify right side
    28,951.56x = 400,835,842.97
  5. Step 5: Solve for x
    x = 400,835,842.97/28,951.56
  6. Step 6: Final answer
    x = 13,845.05

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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.