Home / 28,842.30-43,282.80-10,122.30

Finding the Fourth Proportional to 28,842.30, 43,282.80 and 10,122.30

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Solution

The fourth proportional to 28,842.30, 43,282.80 and 10,122.30 is: 15,190.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.30 : 43,282.80 = 10,122.30 : x
  2. Step 2: Convert to fraction form
    28,842.30/43,282.80 = 10,122.30/x
  3. Step 3: Cross multiply
    28,842.30x = 43,282.80 × 10,122.30
  4. Step 4: Simplify right side
    28,842.30x = 438,121,486.44
  5. Step 5: Solve for x
    x = 438,121,486.44/28,842.30
  6. Step 6: Final answer
    x = 15,190.24

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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.