Home / 26,508.16-39,767.04-21,621.12

Finding the Fourth Proportional to 26,508.16, 39,767.04 and 21,621.12

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Solution

The fourth proportional to 26,508.16, 39,767.04 and 21,621.12 is: 32,435.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,508.16 : 39,767.04 = 21,621.12 : x
  2. Step 2: Convert to fraction form
    26,508.16/39,767.04 = 21,621.12/x
  3. Step 3: Cross multiply
    26,508.16x = 39,767.04 × 21,621.12
  4. Step 4: Simplify right side
    26,508.16x = 859,807,943.88
  5. Step 5: Solve for x
    x = 859,807,943.88/26,508.16
  6. Step 6: Final answer
    x = 32,435.60

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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.