Home / 21,992.10-32,950.35-10,281.30

Finding the Fourth Proportional to 21,992.10, 32,950.35 and 10,281.30

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Solution

The fourth proportional to 21,992.10, 32,950.35 and 10,281.30 is: 15,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,992.10 : 32,950.35 = 10,281.30 : x
  2. Step 2: Convert to fraction form
    21,992.10/32,950.35 = 10,281.30/x
  3. Step 3: Cross multiply
    21,992.10x = 32,950.35 × 10,281.30
  4. Step 4: Simplify right side
    21,992.10x = 338,772,433.46
  5. Step 5: Solve for x
    x = 338,772,433.46/21,992.10
  6. Step 6: Final answer
    x = 15,404.28

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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.