Home / 38,584.86-57,862.58-13,620.26

Finding the Fourth Proportional to 38,584.86, 57,862.58 and 13,620.26

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Solution

The fourth proportional to 38,584.86, 57,862.58 and 13,620.26 is: 20,425.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.86 : 57,862.58 = 13,620.26 : x
  2. Step 2: Convert to fraction form
    38,584.86/57,862.58 = 13,620.26/x
  3. Step 3: Cross multiply
    38,584.86x = 57,862.58 × 13,620.26
  4. Step 4: Simplify right side
    38,584.86x = 788,103,026.46
  5. Step 5: Solve for x
    x = 788,103,026.46/38,584.86
  6. Step 6: Final answer
    x = 20,425.19

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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.