Home / 28,757.08-43,095.75-21,731.34

Finding the Fourth Proportional to 28,757.08, 43,095.75 and 21,731.34

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Solution

The fourth proportional to 28,757.08, 43,095.75 and 21,731.34 is: 32,566.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,757.08 : 43,095.75 = 21,731.34 : x
  2. Step 2: Convert to fraction form
    28,757.08/43,095.75 = 21,731.34/x
  3. Step 3: Cross multiply
    28,757.08x = 43,095.75 × 21,731.34
  4. Step 4: Simplify right side
    28,757.08x = 936,528,233.51
  5. Step 5: Solve for x
    x = 936,528,233.51/28,757.08
  6. Step 6: Final answer
    x = 32,566.88

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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.