Home / 27,873.82-38,464.47-16,543.79

Finding the Fourth Proportional to 27,873.82, 38,464.47 and 16,543.79

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Solution

The fourth proportional to 27,873.82, 38,464.47 and 16,543.79 is: 22,829.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,873.82 : 38,464.47 = 16,543.79 : x
  2. Step 2: Convert to fraction form
    27,873.82/38,464.47 = 16,543.79/x
  3. Step 3: Cross multiply
    27,873.82x = 38,464.47 × 16,543.79
  4. Step 4: Simplify right side
    27,873.82x = 636,348,282.42
  5. Step 5: Solve for x
    x = 636,348,282.42/27,873.82
  6. Step 6: Final answer
    x = 22,829.60

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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.