Home / 30,874.34-42,606.32-16,727.15

Finding the Fourth Proportional to 30,874.34, 42,606.32 and 16,727.15

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Solution

The fourth proportional to 30,874.34, 42,606.32 and 16,727.15 is: 23,083.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,874.34 : 42,606.32 = 16,727.15 : x
  2. Step 2: Convert to fraction form
    30,874.34/42,606.32 = 16,727.15/x
  3. Step 3: Cross multiply
    30,874.34x = 42,606.32 × 16,727.15
  4. Step 4: Simplify right side
    30,874.34x = 712,682,008.92
  5. Step 5: Solve for x
    x = 712,682,008.92/30,874.34
  6. Step 6: Final answer
    x = 23,083.32

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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.