Home / 27,632.69-38,131.76-15,694.46

Finding the Fourth Proportional to 27,632.69, 38,131.76 and 15,694.46

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Solution

The fourth proportional to 27,632.69, 38,131.76 and 15,694.46 is: 21,657.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,632.69 : 38,131.76 = 15,694.46 : x
  2. Step 2: Convert to fraction form
    27,632.69/38,131.76 = 15,694.46/x
  3. Step 3: Cross multiply
    27,632.69x = 38,131.76 × 15,694.46
  4. Step 4: Simplify right side
    27,632.69x = 598,457,303.58
  5. Step 5: Solve for x
    x = 598,457,303.58/27,632.69
  6. Step 6: Final answer
    x = 21,657.58

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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.