Home / 27,754.20-38,300.01-15,178.14

Finding the Fourth Proportional to 27,754.20, 38,300.01 and 15,178.14

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Solution

The fourth proportional to 27,754.20, 38,300.01 and 15,178.14 is: 20,945.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,754.20 : 38,300.01 = 15,178.14 : x
  2. Step 2: Convert to fraction form
    27,754.20/38,300.01 = 15,178.14/x
  3. Step 3: Cross multiply
    27,754.20x = 38,300.01 × 15,178.14
  4. Step 4: Simplify right side
    27,754.20x = 581,322,913.78
  5. Step 5: Solve for x
    x = 581,322,913.78/27,754.20
  6. Step 6: Final answer
    x = 20,945.40

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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.