Home / 28,967.67-43,448.76-9,242.78

Finding the Fourth Proportional to 28,967.67, 43,448.76 and 9,242.78

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Solution

The fourth proportional to 28,967.67, 43,448.76 and 9,242.78 is: 13,863.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,967.67 : 43,448.76 = 9,242.78 : x
  2. Step 2: Convert to fraction form
    28,967.67/43,448.76 = 9,242.78/x
  3. Step 3: Cross multiply
    28,967.67x = 43,448.76 × 9,242.78
  4. Step 4: Simplify right side
    28,967.67x = 401,587,112.71
  5. Step 5: Solve for x
    x = 401,587,112.71/28,967.67
  6. Step 6: Final answer
    x = 13,863.29

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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.