Home / 18,652.96-25,625.94-16,689.52

Finding the Fourth Proportional to 18,652.96, 25,625.94 and 16,689.52

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Solution

The fourth proportional to 18,652.96, 25,625.94 and 16,689.52 is: 22,928.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,652.96 : 25,625.94 = 16,689.52 : x
  2. Step 2: Convert to fraction form
    18,652.96/25,625.94 = 16,689.52/x
  3. Step 3: Cross multiply
    18,652.96x = 25,625.94 × 16,689.52
  4. Step 4: Simplify right side
    18,652.96x = 427,684,638.15
  5. Step 5: Solve for x
    x = 427,684,638.15/18,652.96
  6. Step 6: Final answer
    x = 22,928.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.