Home / 27,060.55-37,342.47-15,729.51

Finding the Fourth Proportional to 27,060.55, 37,342.47 and 15,729.51

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Solution

The fourth proportional to 27,060.55, 37,342.47 and 15,729.51 is: 21,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,060.55 : 37,342.47 = 15,729.51 : x
  2. Step 2: Convert to fraction form
    27,060.55/37,342.47 = 15,729.51/x
  3. Step 3: Cross multiply
    27,060.55x = 37,342.47 × 15,729.51
  4. Step 4: Simplify right side
    27,060.55x = 587,378,755.29
  5. Step 5: Solve for x
    x = 587,378,755.29/27,060.55
  6. Step 6: Final answer
    x = 21,706.09

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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.