Home / 28,576.83-42,892.86-13,796.16

Finding the Fourth Proportional to 28,576.83, 42,892.86 and 13,796.16

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Solution

The fourth proportional to 28,576.83, 42,892.86 and 13,796.16 is: 20,707.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.83 : 42,892.86 = 13,796.16 : x
  2. Step 2: Convert to fraction form
    28,576.83/42,892.86 = 13,796.16/x
  3. Step 3: Cross multiply
    28,576.83x = 42,892.86 × 13,796.16
  4. Step 4: Simplify right side
    28,576.83x = 591,756,759.42
  5. Step 5: Solve for x
    x = 591,756,759.42/28,576.83
  6. Step 6: Final answer
    x = 20,707.57

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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.