Home / 28,686.24-42,992.85-16,213.22

Finding the Fourth Proportional to 28,686.24, 42,992.85 and 16,213.22

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Solution

The fourth proportional to 28,686.24, 42,992.85 and 16,213.22 is: 24,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,686.24 : 42,992.85 = 16,213.22 : x
  2. Step 2: Convert to fraction form
    28,686.24/42,992.85 = 16,213.22/x
  3. Step 3: Cross multiply
    28,686.24x = 42,992.85 × 16,213.22
  4. Step 4: Simplify right side
    28,686.24x = 697,052,535.48
  5. Step 5: Solve for x
    x = 697,052,535.48/28,686.24
  6. Step 6: Final answer
    x = 24,299.19

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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.