Home / 21,775.36-32,658.24-6,981.44

Finding the Fourth Proportional to 21,775.36, 32,658.24 and 6,981.44

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Solution

The fourth proportional to 21,775.36, 32,658.24 and 6,981.44 is: 10,470.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,775.36 : 32,658.24 = 6,981.44 : x
  2. Step 2: Convert to fraction form
    21,775.36/32,658.24 = 6,981.44/x
  3. Step 3: Cross multiply
    21,775.36x = 32,658.24 × 6,981.44
  4. Step 4: Simplify right side
    21,775.36x = 228,001,543.07
  5. Step 5: Solve for x
    x = 228,001,543.07/21,775.36
  6. Step 6: Final answer
    x = 10,470.62

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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.