Home / 20,843.92-31,281.63-16,152.49

Finding the Fourth Proportional to 20,843.92, 31,281.63 and 16,152.49

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Solution

The fourth proportional to 20,843.92, 31,281.63 and 16,152.49 is: 24,240.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.92 : 31,281.63 = 16,152.49 : x
  2. Step 2: Convert to fraction form
    20,843.92/31,281.63 = 16,152.49/x
  3. Step 3: Cross multiply
    20,843.92x = 31,281.63 × 16,152.49
  4. Step 4: Simplify right side
    20,843.92x = 505,276,215.76
  5. Step 5: Solve for x
    x = 505,276,215.76/20,843.92
  6. Step 6: Final answer
    x = 24,240.94

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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.