Home / 28,714.36-43,071.56-10,940.88

Finding the Fourth Proportional to 28,714.36, 43,071.56 and 10,940.88

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Solution

The fourth proportional to 28,714.36, 43,071.56 and 10,940.88 is: 16,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.36 : 43,071.56 = 10,940.88 : x
  2. Step 2: Convert to fraction form
    28,714.36/43,071.56 = 10,940.88/x
  3. Step 3: Cross multiply
    28,714.36x = 43,071.56 × 10,940.88
  4. Step 4: Simplify right side
    28,714.36x = 471,240,769.37
  5. Step 5: Solve for x
    x = 471,240,769.37/28,714.36
  6. Step 6: Final answer
    x = 16,411.33

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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.