Home / 38,259.09-57,365.15-13,288.41

Finding the Fourth Proportional to 38,259.09, 57,365.15 and 13,288.41

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Solution

The fourth proportional to 38,259.09, 57,365.15 and 13,288.41 is: 19,924.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,259.09 : 57,365.15 = 13,288.41 : x
  2. Step 2: Convert to fraction form
    38,259.09/57,365.15 = 13,288.41/x
  3. Step 3: Cross multiply
    38,259.09x = 57,365.15 × 13,288.41
  4. Step 4: Simplify right side
    38,259.09x = 762,291,566.47
  5. Step 5: Solve for x
    x = 762,291,566.47/38,259.09
  6. Step 6: Final answer
    x = 19,924.46

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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.