Home / 43,555.22-65,317.15-15,084.47

Finding the Fourth Proportional to 43,555.22, 65,317.15 and 15,084.47

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Solution

The fourth proportional to 43,555.22, 65,317.15 and 15,084.47 is: 22,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,555.22 : 65,317.15 = 15,084.47 : x
  2. Step 2: Convert to fraction form
    43,555.22/65,317.15 = 15,084.47/x
  3. Step 3: Cross multiply
    43,555.22x = 65,317.15 × 15,084.47
  4. Step 4: Simplify right side
    43,555.22x = 985,274,281.93
  5. Step 5: Solve for x
    x = 985,274,281.93/43,555.22
  6. Step 6: Final answer
    x = 22,621.27

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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.