Home / 19,268.64-28,883.25-10,931.04

Finding the Fourth Proportional to 19,268.64, 28,883.25 and 10,931.04

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Solution

The fourth proportional to 19,268.64, 28,883.25 and 10,931.04 is: 16,385.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,268.64 : 28,883.25 = 10,931.04 : x
  2. Step 2: Convert to fraction form
    19,268.64/28,883.25 = 10,931.04/x
  3. Step 3: Cross multiply
    19,268.64x = 28,883.25 × 10,931.04
  4. Step 4: Simplify right side
    19,268.64x = 315,723,961.08
  5. Step 5: Solve for x
    x = 315,723,961.08/19,268.64
  6. Step 6: Final answer
    x = 16,385.38

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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.