Home / 27,984.74-38,617.80-16,039.76

Finding the Fourth Proportional to 27,984.74, 38,617.80 and 16,039.76

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Solution

The fourth proportional to 27,984.74, 38,617.80 and 16,039.76 is: 22,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.74 : 38,617.80 = 16,039.76 : x
  2. Step 2: Convert to fraction form
    27,984.74/38,617.80 = 16,039.76/x
  3. Step 3: Cross multiply
    27,984.74x = 38,617.80 × 16,039.76
  4. Step 4: Simplify right side
    27,984.74x = 619,420,243.73
  5. Step 5: Solve for x
    x = 619,420,243.73/27,984.74
  6. Step 6: Final answer
    x = 22,134.21

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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.