Home / 28,032.89-38,645.19-22,054.17

Finding the Fourth Proportional to 28,032.89, 38,645.19 and 22,054.17

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Solution

The fourth proportional to 28,032.89, 38,645.19 and 22,054.17 is: 30,403.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,032.89 : 38,645.19 = 22,054.17 : x
  2. Step 2: Convert to fraction form
    28,032.89/38,645.19 = 22,054.17/x
  3. Step 3: Cross multiply
    28,032.89x = 38,645.19 × 22,054.17
  4. Step 4: Simplify right side
    28,032.89x = 852,287,589.94
  5. Step 5: Solve for x
    x = 852,287,589.94/28,032.89
  6. Step 6: Final answer
    x = 30,403.14

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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.