Home / 21,767.64-29,993.04-14,681.76

Finding the Fourth Proportional to 21,767.64, 29,993.04 and 14,681.76

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Solution

The fourth proportional to 21,767.64, 29,993.04 and 14,681.76 is: 20,229.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,767.64 : 29,993.04 = 14,681.76 : x
  2. Step 2: Convert to fraction form
    21,767.64/29,993.04 = 14,681.76/x
  3. Step 3: Cross multiply
    21,767.64x = 29,993.04 × 14,681.76
  4. Step 4: Simplify right side
    21,767.64x = 440,350,614.95
  5. Step 5: Solve for x
    x = 440,350,614.95/21,767.64
  6. Step 6: Final answer
    x = 20,229.60

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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.