Home / 27,881.64-38,464.11-16,551.59

Finding the Fourth Proportional to 27,881.64, 38,464.11 and 16,551.59

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Solution

The fourth proportional to 27,881.64, 38,464.11 and 16,551.59 is: 22,833.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,881.64 : 38,464.11 = 16,551.59 : x
  2. Step 2: Convert to fraction form
    27,881.64/38,464.11 = 16,551.59/x
  3. Step 3: Cross multiply
    27,881.64x = 38,464.11 × 16,551.59
  4. Step 4: Simplify right side
    27,881.64x = 636,641,986.11
  5. Step 5: Solve for x
    x = 636,641,986.11/27,881.64
  6. Step 6: Final answer
    x = 22,833.74

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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.