Home / 27,116.77-37,420.04-15,786.59

Finding the Fourth Proportional to 27,116.77, 37,420.04 and 15,786.59

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Solution

The fourth proportional to 27,116.77, 37,420.04 and 15,786.59 is: 21,784.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,116.77 : 37,420.04 = 15,786.59 : x
  2. Step 2: Convert to fraction form
    27,116.77/37,420.04 = 15,786.59/x
  3. Step 3: Cross multiply
    27,116.77x = 37,420.04 × 15,786.59
  4. Step 4: Simplify right side
    27,116.77x = 590,734,642.16
  5. Step 5: Solve for x
    x = 590,734,642.16/27,116.77
  6. Step 6: Final answer
    x = 21,784.85

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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.