Home / 28,544.72-39,393.24-15,967.28

Finding the Fourth Proportional to 28,544.72, 39,393.24 and 15,967.28

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Solution

The fourth proportional to 28,544.72, 39,393.24 and 15,967.28 is: 22,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,544.72 : 39,393.24 = 15,967.28 : x
  2. Step 2: Convert to fraction form
    28,544.72/39,393.24 = 15,967.28/x
  3. Step 3: Cross multiply
    28,544.72x = 39,393.24 × 15,967.28
  4. Step 4: Simplify right side
    28,544.72x = 629,002,893.19
  5. Step 5: Solve for x
    x = 629,002,893.19/28,544.72
  6. Step 6: Final answer
    x = 22,035.70

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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.