Home / 28,717.91-42,968.66-25,804.34

Finding the Fourth Proportional to 28,717.91, 42,968.66 and 25,804.34

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Solution

The fourth proportional to 28,717.91, 42,968.66 and 25,804.34 is: 38,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.91 : 42,968.66 = 25,804.34 : x
  2. Step 2: Convert to fraction form
    28,717.91/42,968.66 = 25,804.34/x
  3. Step 3: Cross multiply
    28,717.91x = 42,968.66 × 25,804.34
  4. Step 4: Simplify right side
    28,717.91x = 1,108,777,568.12
  5. Step 5: Solve for x
    x = 1,108,777,568.12/28,717.91
  6. Step 6: Final answer
    x = 38,609.28

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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.