Home / 27,005.68-37,261.86-15,668.61

Finding the Fourth Proportional to 27,005.68, 37,261.86 and 15,668.61

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Solution

The fourth proportional to 27,005.68, 37,261.86 and 15,668.61 is: 21,619.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,005.68 : 37,261.86 = 15,668.61 : x
  2. Step 2: Convert to fraction form
    27,005.68/37,261.86 = 15,668.61/x
  3. Step 3: Cross multiply
    27,005.68x = 37,261.86 × 15,668.61
  4. Step 4: Simplify right side
    27,005.68x = 583,841,552.21
  5. Step 5: Solve for x
    x = 583,841,552.21/27,005.68
  6. Step 6: Final answer
    x = 21,619.21

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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.