Home / 22,740.09-31,154.07-21,887.84

Finding the Fourth Proportional to 22,740.09, 31,154.07 and 21,887.84

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Solution

The fourth proportional to 22,740.09, 31,154.07 and 21,887.84 is: 29,986.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,740.09 : 31,154.07 = 21,887.84 : x
  2. Step 2: Convert to fraction form
    22,740.09/31,154.07 = 21,887.84/x
  3. Step 3: Cross multiply
    22,740.09x = 31,154.07 × 21,887.84
  4. Step 4: Simplify right side
    22,740.09x = 681,895,299.51
  5. Step 5: Solve for x
    x = 681,895,299.51/22,740.09
  6. Step 6: Final answer
    x = 29,986.48

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Similar ratio
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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.