Home / 25,187.22-34,740.70-21,824.03

Finding the Fourth Proportional to 25,187.22, 34,740.70 and 21,824.03

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Solution

The fourth proportional to 25,187.22, 34,740.70 and 21,824.03 is: 30,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,187.22 : 34,740.70 = 21,824.03 : x
  2. Step 2: Convert to fraction form
    25,187.22/34,740.70 = 21,824.03/x
  3. Step 3: Cross multiply
    25,187.22x = 34,740.70 × 21,824.03
  4. Step 4: Simplify right side
    25,187.22x = 758,182,111.31
  5. Step 5: Solve for x
    x = 758,182,111.31/25,187.22
  6. Step 6: Final answer
    x = 30,101.86

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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.