Home / 28,842.75-43,283.42-10,122.87

Finding the Fourth Proportional to 28,842.75, 43,283.42 and 10,122.87

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Solution

The fourth proportional to 28,842.75, 43,283.42 and 10,122.87 is: 15,191.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.75 : 43,283.42 = 10,122.87 : x
  2. Step 2: Convert to fraction form
    28,842.75/43,283.42 = 10,122.87/x
  3. Step 3: Cross multiply
    28,842.75x = 43,283.42 × 10,122.87
  4. Step 4: Simplify right side
    28,842.75x = 438,152,478.10
  5. Step 5: Solve for x
    x = 438,152,478.10/28,842.75
  6. Step 6: Final answer
    x = 15,191.08

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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.