Home / 27,007.76-37,270.80-15,070.88

Finding the Fourth Proportional to 27,007.76, 37,270.80 and 15,070.88

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Solution

The fourth proportional to 27,007.76, 37,270.80 and 15,070.88 is: 20,797.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,007.76 : 37,270.80 = 15,070.88 : x
  2. Step 2: Convert to fraction form
    27,007.76/37,270.80 = 15,070.88/x
  3. Step 3: Cross multiply
    27,007.76x = 37,270.80 × 15,070.88
  4. Step 4: Simplify right side
    27,007.76x = 561,703,754.30
  5. Step 5: Solve for x
    x = 561,703,754.30/27,007.76
  6. Step 6: Final answer
    x = 20,797.87

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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.