Home / 21,590.48-29,600.66-21,196.88

Finding the Fourth Proportional to 21,590.48, 29,600.66 and 21,196.88

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Solution

The fourth proportional to 21,590.48, 29,600.66 and 21,196.88 is: 29,061.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,590.48 : 29,600.66 = 21,196.88 : x
  2. Step 2: Convert to fraction form
    21,590.48/29,600.66 = 21,196.88/x
  3. Step 3: Cross multiply
    21,590.48x = 29,600.66 × 21,196.88
  4. Step 4: Simplify right side
    21,590.48x = 627,441,637.94
  5. Step 5: Solve for x
    x = 627,441,637.94/21,590.48
  6. Step 6: Final answer
    x = 29,061.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.