Home / 28,984.20-43,470.60-9,257.44

Finding the Fourth Proportional to 28,984.20, 43,470.60 and 9,257.44

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Solution

The fourth proportional to 28,984.20, 43,470.60 and 9,257.44 is: 13,884.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,984.20 : 43,470.60 = 9,257.44 : x
  2. Step 2: Convert to fraction form
    28,984.20/43,470.60 = 9,257.44/x
  3. Step 3: Cross multiply
    28,984.20x = 43,470.60 × 9,257.44
  4. Step 4: Simplify right side
    28,984.20x = 402,426,471.26
  5. Step 5: Solve for x
    x = 402,426,471.26/28,984.20
  6. Step 6: Final answer
    x = 13,884.34

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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.