Home / 28,981.26-39,995.62-16,233.68

Finding the Fourth Proportional to 28,981.26, 39,995.62 and 16,233.68

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Solution

The fourth proportional to 28,981.26, 39,995.62 and 16,233.68 is: 22,403.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,981.26 : 39,995.62 = 16,233.68 : x
  2. Step 2: Convert to fraction form
    28,981.26/39,995.62 = 16,233.68/x
  3. Step 3: Cross multiply
    28,981.26x = 39,995.62 × 16,233.68
  4. Step 4: Simplify right side
    28,981.26x = 649,276,096.48
  5. Step 5: Solve for x
    x = 649,276,096.48/28,981.26
  6. Step 6: Final answer
    x = 22,403.31

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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.