Home / 27,707.49-38,278.04-18,170.01

Finding the Fourth Proportional to 27,707.49, 38,278.04 and 18,170.01

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Solution

The fourth proportional to 27,707.49, 38,278.04 and 18,170.01 is: 25,101.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,707.49 : 38,278.04 = 18,170.01 : x
  2. Step 2: Convert to fraction form
    27,707.49/38,278.04 = 18,170.01/x
  3. Step 3: Cross multiply
    27,707.49x = 38,278.04 × 18,170.01
  4. Step 4: Simplify right side
    27,707.49x = 695,512,278.73
  5. Step 5: Solve for x
    x = 695,512,278.73/27,707.49
  6. Step 6: Final answer
    x = 25,101.96

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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.