Home / 27,673.04-38,187.24-15,739.28

Finding the Fourth Proportional to 27,673.04, 38,187.24 and 15,739.28

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Solution

The fourth proportional to 27,673.04, 38,187.24 and 15,739.28 is: 21,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,673.04 : 38,187.24 = 15,739.28 : x
  2. Step 2: Convert to fraction form
    27,673.04/38,187.24 = 15,739.28/x
  3. Step 3: Cross multiply
    27,673.04x = 38,187.24 × 15,739.28
  4. Step 4: Simplify right side
    27,673.04x = 601,039,662.79
  5. Step 5: Solve for x
    x = 601,039,662.79/27,673.04
  6. Step 6: Final answer
    x = 21,719.32

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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.