Home / 21,890.24-32,835.04-10,196.80

Finding the Fourth Proportional to 21,890.24, 32,835.04 and 10,196.80

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Solution

The fourth proportional to 21,890.24, 32,835.04 and 10,196.80 is: 15,295.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,890.24 : 32,835.04 = 10,196.80 : x
  2. Step 2: Convert to fraction form
    21,890.24/32,835.04 = 10,196.80/x
  3. Step 3: Cross multiply
    21,890.24x = 32,835.04 × 10,196.80
  4. Step 4: Simplify right side
    21,890.24x = 334,812,335.87
  5. Step 5: Solve for x
    x = 334,812,335.87/21,890.24
  6. Step 6: Final answer
    x = 15,295.05

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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.