Home / 28,975.68-43,464.48-21,102.24

Finding the Fourth Proportional to 28,975.68, 43,464.48 and 21,102.24

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Solution

The fourth proportional to 28,975.68, 43,464.48 and 21,102.24 is: 31,654.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,975.68 : 43,464.48 = 21,102.24 : x
  2. Step 2: Convert to fraction form
    28,975.68/43,464.48 = 21,102.24/x
  3. Step 3: Cross multiply
    28,975.68x = 43,464.48 × 21,102.24
  4. Step 4: Simplify right side
    28,975.68x = 917,197,888.44
  5. Step 5: Solve for x
    x = 917,197,888.44/28,975.68
  6. Step 6: Final answer
    x = 31,654.06

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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.