Home / 21,724.71-29,994.62-14,648.55

Finding the Fourth Proportional to 21,724.71, 29,994.62 and 14,648.55

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Solution

The fourth proportional to 21,724.71, 29,994.62 and 14,648.55 is: 20,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.71 : 29,994.62 = 14,648.55 : x
  2. Step 2: Convert to fraction form
    21,724.71/29,994.62 = 14,648.55/x
  3. Step 3: Cross multiply
    21,724.71x = 29,994.62 × 14,648.55
  4. Step 4: Simplify right side
    21,724.71x = 439,377,617.56
  5. Step 5: Solve for x
    x = 439,377,617.56/21,724.71
  6. Step 6: Final answer
    x = 20,224.79

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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.