Home / 27,213.63-37,554.83-15,275.85

Finding the Fourth Proportional to 27,213.63, 37,554.83 and 15,275.85

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Solution

The fourth proportional to 27,213.63, 37,554.83 and 15,275.85 is: 21,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,213.63 : 37,554.83 = 15,275.85 : x
  2. Step 2: Convert to fraction form
    27,213.63/37,554.83 = 15,275.85/x
  3. Step 3: Cross multiply
    27,213.63x = 37,554.83 × 15,275.85
  4. Step 4: Simplify right side
    27,213.63x = 573,681,949.86
  5. Step 5: Solve for x
    x = 573,681,949.86/27,213.63
  6. Step 6: Final answer
    x = 21,080.68

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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.