Home / 27,789.51-38,349.54-15,214.26

Finding the Fourth Proportional to 27,789.51, 38,349.54 and 15,214.26

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Solution

The fourth proportional to 27,789.51, 38,349.54 and 15,214.26 is: 20,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,789.51 : 38,349.54 = 15,214.26 : x
  2. Step 2: Convert to fraction form
    27,789.51/38,349.54 = 15,214.26/x
  3. Step 3: Cross multiply
    27,789.51x = 38,349.54 × 15,214.26
  4. Step 4: Simplify right side
    27,789.51x = 583,459,872.44
  5. Step 5: Solve for x
    x = 583,459,872.44/27,789.51
  6. Step 6: Final answer
    x = 20,995.69

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Double scale
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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.