Home / 28,268.91-39,014.19-16,170.50

Finding the Fourth Proportional to 28,268.91, 39,014.19 and 16,170.50

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Solution

The fourth proportional to 28,268.91, 39,014.19 and 16,170.50 is: 22,317.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,268.91 : 39,014.19 = 16,170.50 : x
  2. Step 2: Convert to fraction form
    28,268.91/39,014.19 = 16,170.50/x
  3. Step 3: Cross multiply
    28,268.91x = 39,014.19 × 16,170.50
  4. Step 4: Simplify right side
    28,268.91x = 630,879,056.93
  5. Step 5: Solve for x
    x = 630,879,056.93/28,268.91
  6. Step 6: Final answer
    x = 22,317.06

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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.