Home / 38,657.98-57,983.73-19,927.90

Finding the Fourth Proportional to 38,657.98, 57,983.73 and 19,927.90

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Solution

The fourth proportional to 38,657.98, 57,983.73 and 19,927.90 is: 29,890.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,657.98 : 57,983.73 = 19,927.90 : x
  2. Step 2: Convert to fraction form
    38,657.98/57,983.73 = 19,927.90/x
  3. Step 3: Cross multiply
    38,657.98x = 57,983.73 × 19,927.90
  4. Step 4: Simplify right side
    38,657.98x = 1,155,493,973.07
  5. Step 5: Solve for x
    x = 1,155,493,973.07/38,657.98
  6. Step 6: Final answer
    x = 29,890.18

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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.