Home / 27,789.08-38,349.05-16,458.39

Finding the Fourth Proportional to 27,789.08, 38,349.05 and 16,458.39

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Solution

The fourth proportional to 27,789.08, 38,349.05 and 16,458.39 is: 22,712.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.08 : 38,349.05 = 16,458.39 : x
  2. Step 2: Convert to fraction form
    27,789.08/38,349.05 = 16,458.39/x
  3. Step 3: Cross multiply
    27,789.08x = 38,349.05 × 16,458.39
  4. Step 4: Simplify right side
    27,789.08x = 631,163,538.74
  5. Step 5: Solve for x
    x = 631,163,538.74/27,789.08
  6. Step 6: Final answer
    x = 22,712.65

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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.