Home / 27,733.39-38,273.61-15,800.47

Finding the Fourth Proportional to 27,733.39, 38,273.61 and 15,800.47

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Solution

The fourth proportional to 27,733.39, 38,273.61 and 15,800.47 is: 21,805.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,733.39 : 38,273.61 = 15,800.47 : x
  2. Step 2: Convert to fraction form
    27,733.39/38,273.61 = 15,800.47/x
  3. Step 3: Cross multiply
    27,733.39x = 38,273.61 × 15,800.47
  4. Step 4: Simplify right side
    27,733.39x = 604,740,990.16
  5. Step 5: Solve for x
    x = 604,740,990.16/27,733.39
  6. Step 6: Final answer
    x = 21,805.52

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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.