Home / 38,386.31-57,495.96-18,623.25

Finding the Fourth Proportional to 38,386.31, 57,495.96 and 18,623.25

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Solution

The fourth proportional to 38,386.31, 57,495.96 and 18,623.25 is: 27,894.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,386.31 : 57,495.96 = 18,623.25 : x
  2. Step 2: Convert to fraction form
    38,386.31/57,495.96 = 18,623.25/x
  3. Step 3: Cross multiply
    38,386.31x = 57,495.96 × 18,623.25
  4. Step 4: Simplify right side
    38,386.31x = 1,070,761,637.07
  5. Step 5: Solve for x
    x = 1,070,761,637.07/38,386.31
  6. Step 6: Final answer
    x = 27,894.37

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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.