Home / 21,615.33-29,834.81-14,082.33

Finding the Fourth Proportional to 21,615.33, 29,834.81 and 14,082.33

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Solution

The fourth proportional to 21,615.33, 29,834.81 and 14,082.33 is: 19,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.33 : 29,834.81 = 14,082.33 : x
  2. Step 2: Convert to fraction form
    21,615.33/29,834.81 = 14,082.33/x
  3. Step 3: Cross multiply
    21,615.33x = 29,834.81 × 14,082.33
  4. Step 4: Simplify right side
    21,615.33x = 420,143,569.50
  5. Step 5: Solve for x
    x = 420,143,569.50/21,615.33
  6. Step 6: Final answer
    x = 19,437.30

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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.