Home / 21,522.08-32,273.40-20,841.68

Finding the Fourth Proportional to 21,522.08, 32,273.40 and 20,841.68

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Solution

The fourth proportional to 21,522.08, 32,273.40 and 20,841.68 is: 31,253.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,522.08 : 32,273.40 = 20,841.68 : x
  2. Step 2: Convert to fraction form
    21,522.08/32,273.40 = 20,841.68/x
  3. Step 3: Cross multiply
    21,522.08x = 32,273.40 × 20,841.68
  4. Step 4: Simplify right side
    21,522.08x = 672,631,875.31
  5. Step 5: Solve for x
    x = 672,631,875.31/21,522.08
  6. Step 6: Final answer
    x = 31,253.11

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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.