Home / 28,455.98-39,267.09-16,517.39

Finding the Fourth Proportional to 28,455.98, 39,267.09 and 16,517.39

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Solution

The fourth proportional to 28,455.98, 39,267.09 and 16,517.39 is: 22,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,455.98 : 39,267.09 = 16,517.39 : x
  2. Step 2: Convert to fraction form
    28,455.98/39,267.09 = 16,517.39/x
  3. Step 3: Cross multiply
    28,455.98x = 39,267.09 × 16,517.39
  4. Step 4: Simplify right side
    28,455.98x = 648,589,643.36
  5. Step 5: Solve for x
    x = 648,589,643.36/28,455.98
  6. Step 6: Final answer
    x = 22,792.74

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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.