Home / 28,272.88-39,013.81-16,334.56

Finding the Fourth Proportional to 28,272.88, 39,013.81 and 16,334.56

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Solution

The fourth proportional to 28,272.88, 39,013.81 and 16,334.56 is: 22,540.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,272.88 : 39,013.81 = 16,334.56 : x
  2. Step 2: Convert to fraction form
    28,272.88/39,013.81 = 16,334.56/x
  3. Step 3: Cross multiply
    28,272.88x = 39,013.81 × 16,334.56
  4. Step 4: Simplify right side
    28,272.88x = 637,273,420.27
  5. Step 5: Solve for x
    x = 637,273,420.27/28,272.88
  6. Step 6: Final answer
    x = 22,540.10

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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.