Home / 21,686.94-32,468.90-14,199.24

Finding the Fourth Proportional to 21,686.94, 32,468.90 and 14,199.24

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Solution

The fourth proportional to 21,686.94, 32,468.90 and 14,199.24 is: 21,258.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,686.94 : 32,468.90 = 14,199.24 : x
  2. Step 2: Convert to fraction form
    21,686.94/32,468.90 = 14,199.24/x
  3. Step 3: Cross multiply
    21,686.94x = 32,468.90 × 14,199.24
  4. Step 4: Simplify right side
    21,686.94x = 461,033,703.64
  5. Step 5: Solve for x
    x = 461,033,703.64/21,686.94
  6. Step 6: Final answer
    x = 21,258.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.