Home / 28,747.64-43,121.46-13,118.84

Finding the Fourth Proportional to 28,747.64, 43,121.46 and 13,118.84

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Solution

The fourth proportional to 28,747.64, 43,121.46 and 13,118.84 is: 19,678.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.64 : 43,121.46 = 13,118.84 : x
  2. Step 2: Convert to fraction form
    28,747.64/43,121.46 = 13,118.84/x
  3. Step 3: Cross multiply
    28,747.64x = 43,121.46 × 13,118.84
  4. Step 4: Simplify right side
    28,747.64x = 565,703,534.31
  5. Step 5: Solve for x
    x = 565,703,534.31/28,747.64
  6. Step 6: Final answer
    x = 19,678.26

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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.