Home / 22,971.52-31,700.68-19,997.20

Finding the Fourth Proportional to 22,971.52, 31,700.68 and 19,997.20

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Solution

The fourth proportional to 22,971.52, 31,700.68 and 19,997.20 is: 27,596.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,971.52 : 31,700.68 = 19,997.20 : x
  2. Step 2: Convert to fraction form
    22,971.52/31,700.68 = 19,997.20/x
  3. Step 3: Cross multiply
    22,971.52x = 31,700.68 × 19,997.20
  4. Step 4: Simplify right side
    22,971.52x = 633,924,838.10
  5. Step 5: Solve for x
    x = 633,924,838.10/22,971.52
  6. Step 6: Final answer
    x = 27,596.12

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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.