Home / 28,841.48-43,261.96-9,120.06

Finding the Fourth Proportional to 28,841.48, 43,261.96 and 9,120.06

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Solution

The fourth proportional to 28,841.48, 43,261.96 and 9,120.06 is: 13,680.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,841.48 : 43,261.96 = 9,120.06 : x
  2. Step 2: Convert to fraction form
    28,841.48/43,261.96 = 9,120.06/x
  3. Step 3: Cross multiply
    28,841.48x = 43,261.96 × 9,120.06
  4. Step 4: Simplify right side
    28,841.48x = 394,551,670.92
  5. Step 5: Solve for x
    x = 394,551,670.92/28,841.48
  6. Step 6: Final answer
    x = 13,680.01

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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.