Home / 27,294.35-40,887.32-21,032.64

Finding the Fourth Proportional to 27,294.35, 40,887.32 and 21,032.64

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Solution

The fourth proportional to 27,294.35, 40,887.32 and 21,032.64 is: 31,507.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,294.35 : 40,887.32 = 21,032.64 : x
  2. Step 2: Convert to fraction form
    27,294.35/40,887.32 = 21,032.64/x
  3. Step 3: Cross multiply
    27,294.35x = 40,887.32 × 21,032.64
  4. Step 4: Simplify right side
    27,294.35x = 859,968,176.96
  5. Step 5: Solve for x
    x = 859,968,176.96/27,294.35
  6. Step 6: Final answer
    x = 31,507.19

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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.