Home / 21,572.06-32,360.75-8,433.65

Finding the Fourth Proportional to 21,572.06, 32,360.75 and 8,433.65

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Solution

The fourth proportional to 21,572.06, 32,360.75 and 8,433.65 is: 12,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.06 : 32,360.75 = 8,433.65 : x
  2. Step 2: Convert to fraction form
    21,572.06/32,360.75 = 8,433.65/x
  3. Step 3: Cross multiply
    21,572.06x = 32,360.75 × 8,433.65
  4. Step 4: Simplify right side
    21,572.06x = 272,919,035.27
  5. Step 5: Solve for x
    x = 272,919,035.27/21,572.06
  6. Step 6: Final answer
    x = 12,651.51

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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.