Home / 27,982.06-38,536.96-23,222.50

Finding the Fourth Proportional to 27,982.06, 38,536.96 and 23,222.50

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Solution

The fourth proportional to 27,982.06, 38,536.96 and 23,222.50 is: 31,982.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.06 : 38,536.96 = 23,222.50 : x
  2. Step 2: Convert to fraction form
    27,982.06/38,536.96 = 23,222.50/x
  3. Step 3: Cross multiply
    27,982.06x = 38,536.96 × 23,222.50
  4. Step 4: Simplify right side
    27,982.06x = 894,924,553.60
  5. Step 5: Solve for x
    x = 894,924,553.60/27,982.06
  6. Step 6: Final answer
    x = 31,982.08

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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.