Home / 28,992.24-40,010.28-16,245.96

Finding the Fourth Proportional to 28,992.24, 40,010.28 and 16,245.96

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Solution

The fourth proportional to 28,992.24, 40,010.28 and 16,245.96 is: 22,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,992.24 : 40,010.28 = 16,245.96 : x
  2. Step 2: Convert to fraction form
    28,992.24/40,010.28 = 16,245.96/x
  3. Step 3: Cross multiply
    28,992.24x = 40,010.28 × 16,245.96
  4. Step 4: Simplify right side
    28,992.24x = 650,005,408.47
  5. Step 5: Solve for x
    x = 650,005,408.47/28,992.24
  6. Step 6: Final answer
    x = 22,419.98

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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.