Home / 38,647.47-57,957.54-18,381.84

Finding the Fourth Proportional to 38,647.47, 57,957.54 and 18,381.84

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Solution

The fourth proportional to 38,647.47, 57,957.54 and 18,381.84 is: 27,566.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,647.47 : 57,957.54 = 18,381.84 : x
  2. Step 2: Convert to fraction form
    38,647.47/57,957.54 = 18,381.84/x
  3. Step 3: Cross multiply
    38,647.47x = 57,957.54 × 18,381.84
  4. Step 4: Simplify right side
    38,647.47x = 1,065,366,135.16
  5. Step 5: Solve for x
    x = 1,065,366,135.16/38,647.47
  6. Step 6: Final answer
    x = 27,566.26

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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.