Home / 28,261.64-39,002.94-16,325.48

Finding the Fourth Proportional to 28,261.64, 39,002.94 and 16,325.48

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Solution

The fourth proportional to 28,261.64, 39,002.94 and 16,325.48 is: 22,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,261.64 : 39,002.94 = 16,325.48 : x
  2. Step 2: Convert to fraction form
    28,261.64/39,002.94 = 16,325.48/x
  3. Step 3: Cross multiply
    28,261.64x = 39,002.94 × 16,325.48
  4. Step 4: Simplify right side
    28,261.64x = 636,741,716.91
  5. Step 5: Solve for x
    x = 636,741,716.91/28,261.64
  6. Step 6: Final answer
    x = 22,530.25

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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.