Home / 22,820.93-31,514.43-21,578.44

Finding the Fourth Proportional to 22,820.93, 31,514.43 and 21,578.44

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Solution

The fourth proportional to 22,820.93, 31,514.43 and 21,578.44 is: 29,798.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,820.93 : 31,514.43 = 21,578.44 : x
  2. Step 2: Convert to fraction form
    22,820.93/31,514.43 = 21,578.44/x
  3. Step 3: Cross multiply
    22,820.93x = 31,514.43 × 21,578.44
  4. Step 4: Simplify right side
    22,820.93x = 680,032,236.89
  5. Step 5: Solve for x
    x = 680,032,236.89/22,820.93
  6. Step 6: Final answer
    x = 29,798.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.