Home / 38,364.51-57,542.64-10,287.36

Finding the Fourth Proportional to 38,364.51, 57,542.64 and 10,287.36

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Solution

The fourth proportional to 38,364.51, 57,542.64 and 10,287.36 is: 15,429.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,364.51 : 57,542.64 = 10,287.36 : x
  2. Step 2: Convert to fraction form
    38,364.51/57,542.64 = 10,287.36/x
  3. Step 3: Cross multiply
    38,364.51x = 57,542.64 × 10,287.36
  4. Step 4: Simplify right side
    38,364.51x = 591,961,853.03
  5. Step 5: Solve for x
    x = 591,961,853.03/38,364.51
  6. Step 6: Final answer
    x = 15,429.93

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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.