Home / 28,980.26-39,994.24-16,232.68

Finding the Fourth Proportional to 28,980.26, 39,994.24 and 16,232.68

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Solution

The fourth proportional to 28,980.26, 39,994.24 and 16,232.68 is: 22,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,980.26 : 39,994.24 = 16,232.68 : x
  2. Step 2: Convert to fraction form
    28,980.26/39,994.24 = 16,232.68/x
  3. Step 3: Cross multiply
    28,980.26x = 39,994.24 × 16,232.68
  4. Step 4: Simplify right side
    28,980.26x = 649,213,499.79
  5. Step 5: Solve for x
    x = 649,213,499.79/28,980.26
  6. Step 6: Final answer
    x = 22,401.93

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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.