Home / 27,639.45-38,131.61-17,010.63

Finding the Fourth Proportional to 27,639.45, 38,131.61 and 17,010.63

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Solution

The fourth proportional to 27,639.45, 38,131.61 and 17,010.63 is: 23,468.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,639.45 : 38,131.61 = 17,010.63 : x
  2. Step 2: Convert to fraction form
    27,639.45/38,131.61 = 17,010.63/x
  3. Step 3: Cross multiply
    27,639.45x = 38,131.61 × 17,010.63
  4. Step 4: Simplify right side
    27,639.45x = 648,642,623.96
  5. Step 5: Solve for x
    x = 648,642,623.96/27,639.45
  6. Step 6: Final answer
    x = 23,468.00

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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.