Home / 27,814.60-38,383.50-15,239.08

Finding the Fourth Proportional to 27,814.60, 38,383.50 and 15,239.08

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Solution

The fourth proportional to 27,814.60, 38,383.50 and 15,239.08 is: 21,029.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,814.60 : 38,383.50 = 15,239.08 : x
  2. Step 2: Convert to fraction form
    27,814.60/38,383.50 = 15,239.08/x
  3. Step 3: Cross multiply
    27,814.60x = 38,383.50 × 15,239.08
  4. Step 4: Simplify right side
    27,814.60x = 584,929,227.18
  5. Step 5: Solve for x
    x = 584,929,227.18/27,814.60
  6. Step 6: Final answer
    x = 21,029.58

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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.