Home / 27,683.89-38,202.42-15,583.66

Finding the Fourth Proportional to 27,683.89, 38,202.42 and 15,583.66

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Solution

The fourth proportional to 27,683.89, 38,202.42 and 15,583.66 is: 21,504.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,683.89 : 38,202.42 = 15,583.66 : x
  2. Step 2: Convert to fraction form
    27,683.89/38,202.42 = 15,583.66/x
  3. Step 3: Cross multiply
    27,683.89x = 38,202.42 × 15,583.66
  4. Step 4: Simplify right side
    27,683.89x = 595,333,524.46
  5. Step 5: Solve for x
    x = 595,333,524.46/27,683.89
  6. Step 6: Final answer
    x = 21,504.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.