Home / 43,812.27-65,678.97-15,725.70

Finding the Fourth Proportional to 43,812.27, 65,678.97 and 15,725.70

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Solution

The fourth proportional to 43,812.27, 65,678.97 and 15,725.70 is: 23,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,812.27 : 65,678.97 = 15,725.70 : x
  2. Step 2: Convert to fraction form
    43,812.27/65,678.97 = 15,725.70/x
  3. Step 3: Cross multiply
    43,812.27x = 65,678.97 × 15,725.70
  4. Step 4: Simplify right side
    43,812.27x = 1,032,847,778.53
  5. Step 5: Solve for x
    x = 1,032,847,778.53/43,812.27
  6. Step 6: Final answer
    x = 23,574.40

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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.