Home / 27,954.19-38,577.03-15,207.49

Finding the Fourth Proportional to 27,954.19, 38,577.03 and 15,207.49

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Solution

The fourth proportional to 27,954.19, 38,577.03 and 15,207.49 is: 20,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.19 : 38,577.03 = 15,207.49 : x
  2. Step 2: Convert to fraction form
    27,954.19/38,577.03 = 15,207.49/x
  3. Step 3: Cross multiply
    27,954.19x = 38,577.03 × 15,207.49
  4. Step 4: Simplify right side
    27,954.19x = 586,659,605.07
  5. Step 5: Solve for x
    x = 586,659,605.07/27,954.19
  6. Step 6: Final answer
    x = 20,986.47

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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.