Home / 28,733.43-39,642.90-17,399.30

Finding the Fourth Proportional to 28,733.43, 39,642.90 and 17,399.30

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Solution

The fourth proportional to 28,733.43, 39,642.90 and 17,399.30 is: 24,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,733.43 : 39,642.90 = 17,399.30 : x
  2. Step 2: Convert to fraction form
    28,733.43/39,642.90 = 17,399.30/x
  3. Step 3: Cross multiply
    28,733.43x = 39,642.90 × 17,399.30
  4. Step 4: Simplify right side
    28,733.43x = 689,758,709.97
  5. Step 5: Solve for x
    x = 689,758,709.97/28,733.43
  6. Step 6: Final answer
    x = 24,005.44

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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.