Home / 21,348.64-31,997.04-15,110.48

Finding the Fourth Proportional to 21,348.64, 31,997.04 and 15,110.48

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Solution

The fourth proportional to 21,348.64, 31,997.04 and 15,110.48 is: 22,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.64 : 31,997.04 = 15,110.48 : x
  2. Step 2: Convert to fraction form
    21,348.64/31,997.04 = 15,110.48/x
  3. Step 3: Cross multiply
    21,348.64x = 31,997.04 × 15,110.48
  4. Step 4: Simplify right side
    21,348.64x = 483,490,632.98
  5. Step 5: Solve for x
    x = 483,490,632.98/21,348.64
  6. Step 6: Final answer
    x = 22,647.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.