Home / 27,776.46-38,331.39-15,029.64

Finding the Fourth Proportional to 27,776.46, 38,331.39 and 15,029.64

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Solution

The fourth proportional to 27,776.46, 38,331.39 and 15,029.64 is: 20,740.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,776.46 : 38,331.39 = 15,029.64 : x
  2. Step 2: Convert to fraction form
    27,776.46/38,331.39 = 15,029.64/x
  3. Step 3: Cross multiply
    27,776.46x = 38,331.39 × 15,029.64
  4. Step 4: Simplify right side
    27,776.46x = 576,106,992.40
  5. Step 5: Solve for x
    x = 576,106,992.40/27,776.46
  6. Step 6: Final answer
    x = 20,740.84

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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.