Home / 27,563.12-38,034.90-15,628.28

Finding the Fourth Proportional to 27,563.12, 38,034.90 and 15,628.28

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Solution

The fourth proportional to 27,563.12, 38,034.90 and 15,628.28 is: 21,565.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,563.12 : 38,034.90 = 15,628.28 : x
  2. Step 2: Convert to fraction form
    27,563.12/38,034.90 = 15,628.28/x
  3. Step 3: Cross multiply
    27,563.12x = 38,034.90 × 15,628.28
  4. Step 4: Simplify right side
    27,563.12x = 594,420,066.97
  5. Step 5: Solve for x
    x = 594,420,066.97/27,563.12
  6. Step 6: Final answer
    x = 21,565.78

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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.