Home / 27,017.45-37,284.12-15,080.78

Finding the Fourth Proportional to 27,017.45, 37,284.12 and 15,080.78

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Solution

The fourth proportional to 27,017.45, 37,284.12 and 15,080.78 is: 20,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,017.45 : 37,284.12 = 15,080.78 : x
  2. Step 2: Convert to fraction form
    27,017.45/37,284.12 = 15,080.78/x
  3. Step 3: Cross multiply
    27,017.45x = 37,284.12 × 15,080.78
  4. Step 4: Simplify right side
    27,017.45x = 562,273,611.21
  5. Step 5: Solve for x
    x = 562,273,611.21/27,017.45
  6. Step 6: Final answer
    x = 20,811.50

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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.