Home / 27,612.55-38,103.50-16,281.49

Finding the Fourth Proportional to 27,612.55, 38,103.50 and 16,281.49

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Solution

The fourth proportional to 27,612.55, 38,103.50 and 16,281.49 is: 22,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,612.55 : 38,103.50 = 16,281.49 : x
  2. Step 2: Convert to fraction form
    27,612.55/38,103.50 = 16,281.49/x
  3. Step 3: Cross multiply
    27,612.55x = 38,103.50 × 16,281.49
  4. Step 4: Simplify right side
    27,612.55x = 620,381,908.96
  5. Step 5: Solve for x
    x = 620,381,908.96/27,612.55
  6. Step 6: Final answer
    x = 22,467.39

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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.