Home / 38,563.72-57,806.14-21,888.52

Finding the Fourth Proportional to 38,563.72, 57,806.14 and 21,888.52

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Solution

The fourth proportional to 38,563.72, 57,806.14 and 21,888.52 is: 32,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,563.72 : 57,806.14 = 21,888.52 : x
  2. Step 2: Convert to fraction form
    38,563.72/57,806.14 = 21,888.52/x
  3. Step 3: Cross multiply
    38,563.72x = 57,806.14 × 21,888.52
  4. Step 4: Simplify right side
    38,563.72x = 1,265,290,851.51
  5. Step 5: Solve for x
    x = 1,265,290,851.51/38,563.72
  6. Step 6: Final answer
    x = 32,810.39

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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.