Home / 20,437.28-30,657.22-5,444.15

Finding the Fourth Proportional to 20,437.28, 30,657.22 and 5,444.15

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Solution

The fourth proportional to 20,437.28, 30,657.22 and 5,444.15 is: 8,166.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,437.28 : 30,657.22 = 5,444.15 : x
  2. Step 2: Convert to fraction form
    20,437.28/30,657.22 = 5,444.15/x
  3. Step 3: Cross multiply
    20,437.28x = 30,657.22 × 5,444.15
  4. Step 4: Simplify right side
    20,437.28x = 166,902,504.26
  5. Step 5: Solve for x
    x = 166,902,504.26/20,437.28
  6. Step 6: Final answer
    x = 8,166.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.