Home / 27,615.00-38,108.73-15,678.33

Finding the Fourth Proportional to 27,615.00, 38,108.73 and 15,678.33

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Solution

The fourth proportional to 27,615.00, 38,108.73 and 15,678.33 is: 21,636.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,615.00 : 38,108.73 = 15,678.33 : x
  2. Step 2: Convert to fraction form
    27,615.00/38,108.73 = 15,678.33/x
  3. Step 3: Cross multiply
    27,615.00x = 38,108.73 × 15,678.33
  4. Step 4: Simplify right side
    27,615.00x = 597,481,244.82
  5. Step 5: Solve for x
    x = 597,481,244.82/27,615.00
  6. Step 6: Final answer
    x = 21,636.12

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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.