Home / 22,370.44-30,886.51-20,474.75

Finding the Fourth Proportional to 22,370.44, 30,886.51 and 20,474.75

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Solution

The fourth proportional to 22,370.44, 30,886.51 and 20,474.75 is: 28,269.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,370.44 : 30,886.51 = 20,474.75 : x
  2. Step 2: Convert to fraction form
    22,370.44/30,886.51 = 20,474.75/x
  3. Step 3: Cross multiply
    22,370.44x = 30,886.51 × 20,474.75
  4. Step 4: Simplify right side
    22,370.44x = 632,393,570.62
  5. Step 5: Solve for x
    x = 632,393,570.62/22,370.44
  6. Step 6: Final answer
    x = 28,269.16

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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.