Home / 28,742.47-43,101.40-10,016.97

Finding the Fourth Proportional to 28,742.47, 43,101.40 and 10,016.97

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Solution

The fourth proportional to 28,742.47, 43,101.40 and 10,016.97 is: 15,021.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742.47 : 43,101.40 = 10,016.97 : x
  2. Step 2: Convert to fraction form
    28,742.47/43,101.40 = 10,016.97/x
  3. Step 3: Cross multiply
    28,742.47x = 43,101.40 × 10,016.97
  4. Step 4: Simplify right side
    28,742.47x = 431,745,215.25
  5. Step 5: Solve for x
    x = 431,745,215.25/28,742.47
  6. Step 6: Final answer
    x = 15,021.16

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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.