Home / 28,723.19-43,084.48-11,205.32

Finding the Fourth Proportional to 28,723.19, 43,084.48 and 11,205.32

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Solution

The fourth proportional to 28,723.19, 43,084.48 and 11,205.32 is: 16,807.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723.19 : 43,084.48 = 11,205.32 : x
  2. Step 2: Convert to fraction form
    28,723.19/43,084.48 = 11,205.32/x
  3. Step 3: Cross multiply
    28,723.19x = 43,084.48 × 11,205.32
  4. Step 4: Simplify right side
    28,723.19x = 482,775,249.71
  5. Step 5: Solve for x
    x = 482,775,249.71/28,723.19
  6. Step 6: Final answer
    x = 16,807.86

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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.