Home / 43,507.41-65,287.04-15,807.57

Finding the Fourth Proportional to 43,507.41, 65,287.04 and 15,807.57

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Solution

The fourth proportional to 43,507.41, 65,287.04 and 15,807.57 is: 23,720.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,507.41 : 65,287.04 = 15,807.57 : x
  2. Step 2: Convert to fraction form
    43,507.41/65,287.04 = 15,807.57/x
  3. Step 3: Cross multiply
    43,507.41x = 65,287.04 × 15,807.57
  4. Step 4: Simplify right side
    43,507.41x = 1,032,029,375.85
  5. Step 5: Solve for x
    x = 1,032,029,375.85/43,507.41
  6. Step 6: Final answer
    x = 23,720.77

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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.