Home / 21,526.38-32,297.85-8,388.06

Finding the Fourth Proportional to 21,526.38, 32,297.85 and 8,388.06

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Solution

The fourth proportional to 21,526.38, 32,297.85 and 8,388.06 is: 12,585.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.38 : 32,297.85 = 8,388.06 : x
  2. Step 2: Convert to fraction form
    21,526.38/32,297.85 = 8,388.06/x
  3. Step 3: Cross multiply
    21,526.38x = 32,297.85 × 8,388.06
  4. Step 4: Simplify right side
    21,526.38x = 270,916,303.67
  5. Step 5: Solve for x
    x = 270,916,303.67/21,526.38
  6. Step 6: Final answer
    x = 12,585.32

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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.