Home / 21,775.08-32,648.04-10,081.92

Finding the Fourth Proportional to 21,775.08, 32,648.04 and 10,081.92

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Solution

The fourth proportional to 21,775.08, 32,648.04 and 10,081.92 is: 15,116.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.08 : 32,648.04 = 10,081.92 : x
  2. Step 2: Convert to fraction form
    21,775.08/32,648.04 = 10,081.92/x
  3. Step 3: Cross multiply
    21,775.08x = 32,648.04 × 10,081.92
  4. Step 4: Simplify right side
    21,775.08x = 329,154,927.44
  5. Step 5: Solve for x
    x = 329,154,927.44/21,775.08
  6. Step 6: Final answer
    x = 15,116.13

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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.