Home / 21,524.48-29,717.70-19,282.40

Finding the Fourth Proportional to 21,524.48, 29,717.70 and 19,282.40

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Solution

The fourth proportional to 21,524.48, 29,717.70 and 19,282.40 is: 26,622.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,524.48 : 29,717.70 = 19,282.40 : x
  2. Step 2: Convert to fraction form
    21,524.48/29,717.70 = 19,282.40/x
  3. Step 3: Cross multiply
    21,524.48x = 29,717.70 × 19,282.40
  4. Step 4: Simplify right side
    21,524.48x = 573,028,578.48
  5. Step 5: Solve for x
    x = 573,028,578.48/21,524.48
  6. Step 6: Final answer
    x = 26,622.18

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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.