Home / 21,747.28-32,631.86-16,211.74

Finding the Fourth Proportional to 21,747.28, 32,631.86 and 16,211.74

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Solution

The fourth proportional to 21,747.28, 32,631.86 and 16,211.74 is: 24,325.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,747.28 : 32,631.86 = 16,211.74 : x
  2. Step 2: Convert to fraction form
    21,747.28/32,631.86 = 16,211.74/x
  3. Step 3: Cross multiply
    21,747.28x = 32,631.86 × 16,211.74
  4. Step 4: Simplify right side
    21,747.28x = 529,019,230.04
  5. Step 5: Solve for x
    x = 529,019,230.04/21,747.28
  6. Step 6: Final answer
    x = 24,325.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.