Home / 28,742.72-43,101.77-10,017.22

Finding the Fourth Proportional to 28,742.72, 43,101.77 and 10,017.22

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Solution

The fourth proportional to 28,742.72, 43,101.77 and 10,017.22 is: 15,021.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,742.72 : 43,101.77 = 10,017.22 : x
  2. Step 2: Convert to fraction form
    28,742.72/43,101.77 = 10,017.22/x
  3. Step 3: Cross multiply
    28,742.72x = 43,101.77 × 10,017.22
  4. Step 4: Simplify right side
    28,742.72x = 431,759,829.77
  5. Step 5: Solve for x
    x = 431,759,829.77/28,742.72
  6. Step 6: Final answer
    x = 15,021.54

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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.