Home / 28,825.28-43,239.72-9,104.60

Finding the Fourth Proportional to 28,825.28, 43,239.72 and 9,104.60

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Solution

The fourth proportional to 28,825.28, 43,239.72 and 9,104.60 is: 13,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,825.28 : 43,239.72 = 9,104.60 : x
  2. Step 2: Convert to fraction form
    28,825.28/43,239.72 = 9,104.60/x
  3. Step 3: Cross multiply
    28,825.28x = 43,239.72 × 9,104.60
  4. Step 4: Simplify right side
    28,825.28x = 393,680,354.71
  5. Step 5: Solve for x
    x = 393,680,354.71/28,825.28
  6. Step 6: Final answer
    x = 13,657.47

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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.