Home / 21,093.80-31,656.26-10,000.44

Finding the Fourth Proportional to 21,093.80, 31,656.26 and 10,000.44

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Solution

The fourth proportional to 21,093.80, 31,656.26 and 10,000.44 is: 15,008.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,093.80 : 31,656.26 = 10,000.44 : x
  2. Step 2: Convert to fraction form
    21,093.80/31,656.26 = 10,000.44/x
  3. Step 3: Cross multiply
    21,093.80x = 31,656.26 × 10,000.44
  4. Step 4: Simplify right side
    21,093.80x = 316,576,528.75
  5. Step 5: Solve for x
    x = 316,576,528.75/21,093.80
  6. Step 6: Final answer
    x = 15,008.04

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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.