Home / 28,525.22-39,366.91-16,427.80

Finding the Fourth Proportional to 28,525.22, 39,366.91 and 16,427.80

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Solution

The fourth proportional to 28,525.22, 39,366.91 and 16,427.80 is: 22,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,525.22 : 39,366.91 = 16,427.80 : x
  2. Step 2: Convert to fraction form
    28,525.22/39,366.91 = 16,427.80/x
  3. Step 3: Cross multiply
    28,525.22x = 39,366.91 × 16,427.80
  4. Step 4: Simplify right side
    28,525.22x = 646,711,724.10
  5. Step 5: Solve for x
    x = 646,711,724.10/28,525.22
  6. Step 6: Final answer
    x = 22,671.58

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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.