Home / 22,331.07-33,699.20-21,587.49

Finding the Fourth Proportional to 22,331.07, 33,699.20 and 21,587.49

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Solution

The fourth proportional to 22,331.07, 33,699.20 and 21,587.49 is: 32,577.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,331.07 : 33,699.20 = 21,587.49 : x
  2. Step 2: Convert to fraction form
    22,331.07/33,699.20 = 21,587.49/x
  3. Step 3: Cross multiply
    22,331.07x = 33,699.20 × 21,587.49
  4. Step 4: Simplify right side
    22,331.07x = 727,481,035.07
  5. Step 5: Solve for x
    x = 727,481,035.07/22,331.07
  6. Step 6: Final answer
    x = 32,577.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.