Home / 28,704.96-39,614.49-16,130.52

Finding the Fourth Proportional to 28,704.96, 39,614.49 and 16,130.52

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Solution

The fourth proportional to 28,704.96, 39,614.49 and 16,130.52 is: 22,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.96 : 39,614.49 = 16,130.52 : x
  2. Step 2: Convert to fraction form
    28,704.96/39,614.49 = 16,130.52/x
  3. Step 3: Cross multiply
    28,704.96x = 39,614.49 × 16,130.52
  4. Step 4: Simplify right side
    28,704.96x = 639,002,323.23
  5. Step 5: Solve for x
    x = 639,002,323.23/28,704.96
  6. Step 6: Final answer
    x = 22,261.04

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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.