Home / 21,724.68-29,950.38-14,918.52

Finding the Fourth Proportional to 21,724.68, 29,950.38 and 14,918.52

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Solution

The fourth proportional to 21,724.68, 29,950.38 and 14,918.52 is: 20,567.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,724.68 : 29,950.38 = 14,918.52 : x
  2. Step 2: Convert to fraction form
    21,724.68/29,950.38 = 14,918.52/x
  3. Step 3: Cross multiply
    21,724.68x = 29,950.38 × 14,918.52
  4. Step 4: Simplify right side
    21,724.68x = 446,815,343.04
  5. Step 5: Solve for x
    x = 446,815,343.04/21,724.68
  6. Step 6: Final answer
    x = 20,567.18

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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.