Home / 19,957.33-27,541.29-11,005.15

Finding the Fourth Proportional to 19,957.33, 27,541.29 and 11,005.15

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Solution

The fourth proportional to 19,957.33, 27,541.29 and 11,005.15 is: 15,187.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,957.33 : 27,541.29 = 11,005.15 : x
  2. Step 2: Convert to fraction form
    19,957.33/27,541.29 = 11,005.15/x
  3. Step 3: Cross multiply
    19,957.33x = 27,541.29 × 11,005.15
  4. Step 4: Simplify right side
    19,957.33x = 303,096,027.64
  5. Step 5: Solve for x
    x = 303,096,027.64/19,957.33
  6. Step 6: Final answer
    x = 15,187.20

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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.