Home / 28,998.51-40,037.22-22,272.12

Finding the Fourth Proportional to 28,998.51, 40,037.22 and 22,272.12

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Solution

The fourth proportional to 28,998.51, 40,037.22 and 22,272.12 is: 30,750.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.51 : 40,037.22 = 22,272.12 : x
  2. Step 2: Convert to fraction form
    28,998.51/40,037.22 = 22,272.12/x
  3. Step 3: Cross multiply
    28,998.51x = 40,037.22 × 22,272.12
  4. Step 4: Simplify right side
    28,998.51x = 891,713,768.31
  5. Step 5: Solve for x
    x = 891,713,768.31/28,998.51
  6. Step 6: Final answer
    x = 30,750.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.