Home / 28,989.27-40,085.72-23,010.56

Finding the Fourth Proportional to 28,989.27, 40,085.72 and 23,010.56

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Solution

The fourth proportional to 28,989.27, 40,085.72 and 23,010.56 is: 31,818.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,989.27 : 40,085.72 = 23,010.56 : x
  2. Step 2: Convert to fraction form
    28,989.27/40,085.72 = 23,010.56/x
  3. Step 3: Cross multiply
    28,989.27x = 40,085.72 × 23,010.56
  4. Step 4: Simplify right side
    28,989.27x = 922,394,786.33
  5. Step 5: Solve for x
    x = 922,394,786.33/28,989.27
  6. Step 6: Final answer
    x = 31,818.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.