Home / 28,741.93-43,112.81-9,021.96

Finding the Fourth Proportional to 28,741.93, 43,112.81 and 9,021.96

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Solution

The fourth proportional to 28,741.93, 43,112.81 and 9,021.96 is: 13,532.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,741.93 : 43,112.81 = 9,021.96 : x
  2. Step 2: Convert to fraction form
    28,741.93/43,112.81 = 9,021.96/x
  3. Step 3: Cross multiply
    28,741.93x = 43,112.81 × 9,021.96
  4. Step 4: Simplify right side
    28,741.93x = 388,962,069.86
  5. Step 5: Solve for x
    x = 388,962,069.86/28,741.93
  6. Step 6: Final answer
    x = 13,532.92

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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.