Home / 28,718.82-43,069.86-11,184.48

Finding the Fourth Proportional to 28,718.82, 43,069.86 and 11,184.48

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Solution

The fourth proportional to 28,718.82, 43,069.86 and 11,184.48 is: 16,773.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,718.82 : 43,069.86 = 11,184.48 : x
  2. Step 2: Convert to fraction form
    28,718.82/43,069.86 = 11,184.48/x
  3. Step 3: Cross multiply
    28,718.82x = 43,069.86 × 11,184.48
  4. Step 4: Simplify right side
    28,718.82x = 481,713,987.77
  5. Step 5: Solve for x
    x = 481,713,987.77/28,718.82
  6. Step 6: Final answer
    x = 16,773.46

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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.