Home / 28,933.98-39,929.21-16,997.82

Finding the Fourth Proportional to 28,933.98, 39,929.21 and 16,997.82

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Solution

The fourth proportional to 28,933.98, 39,929.21 and 16,997.82 is: 23,457.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,933.98 : 39,929.21 = 16,997.82 : x
  2. Step 2: Convert to fraction form
    28,933.98/39,929.21 = 16,997.82/x
  3. Step 3: Cross multiply
    28,933.98x = 39,929.21 × 16,997.82
  4. Step 4: Simplify right side
    28,933.98x = 678,709,524.32
  5. Step 5: Solve for x
    x = 678,709,524.32/28,933.98
  6. Step 6: Final answer
    x = 23,457.18

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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.