Home / 28,714.80-43,054.56-11,164.17

Finding the Fourth Proportional to 28,714.80, 43,054.56 and 11,164.17

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Solution

The fourth proportional to 28,714.80, 43,054.56 and 11,164.17 is: 16,739.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.80 : 43,054.56 = 11,164.17 : x
  2. Step 2: Convert to fraction form
    28,714.80/43,054.56 = 11,164.17/x
  3. Step 3: Cross multiply
    28,714.80x = 43,054.56 × 11,164.17
  4. Step 4: Simplify right side
    28,714.80x = 480,668,427.12
  5. Step 5: Solve for x
    x = 480,668,427.12/28,714.80
  6. Step 6: Final answer
    x = 16,739.40

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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.