Home / 38,268.98-57,403.58-11,615.18

Finding the Fourth Proportional to 38,268.98, 57,403.58 and 11,615.18

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Solution

The fourth proportional to 38,268.98, 57,403.58 and 11,615.18 is: 17,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,268.98 : 57,403.58 = 11,615.18 : x
  2. Step 2: Convert to fraction form
    38,268.98/57,403.58 = 11,615.18/x
  3. Step 3: Cross multiply
    38,268.98x = 57,403.58 × 11,615.18
  4. Step 4: Simplify right side
    38,268.98x = 666,752,569.25
  5. Step 5: Solve for x
    x = 666,752,569.25/38,268.98
  6. Step 6: Final answer
    x = 17,422.80

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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.