Home / 27,578.28-38,057.67-15,003.03

Finding the Fourth Proportional to 27,578.28, 38,057.67 and 15,003.03

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Solution

The fourth proportional to 27,578.28, 38,057.67 and 15,003.03 is: 20,703.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,578.28 : 38,057.67 = 15,003.03 : x
  2. Step 2: Convert to fraction form
    27,578.28/38,057.67 = 15,003.03/x
  3. Step 3: Cross multiply
    27,578.28x = 38,057.67 × 15,003.03
  4. Step 4: Simplify right side
    27,578.28x = 570,980,364.74
  5. Step 5: Solve for x
    x = 570,980,364.74/27,578.28
  6. Step 6: Final answer
    x = 20,703.99

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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.