Home / 28,418.22-39,217.50-16,482.06

Finding the Fourth Proportional to 28,418.22, 39,217.50 and 16,482.06

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Solution

The fourth proportional to 28,418.22, 39,217.50 and 16,482.06 is: 22,745.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418.22 : 39,217.50 = 16,482.06 : x
  2. Step 2: Convert to fraction form
    28,418.22/39,217.50 = 16,482.06/x
  3. Step 3: Cross multiply
    28,418.22x = 39,217.50 × 16,482.06
  4. Step 4: Simplify right side
    28,418.22x = 646,385,188.05
  5. Step 5: Solve for x
    x = 646,385,188.05/28,418.22
  6. Step 6: Final answer
    x = 22,745.45

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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.