Home / 28,284.21-39,029.22-16,351.38

Finding the Fourth Proportional to 28,284.21, 39,029.22 and 16,351.38

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Solution

The fourth proportional to 28,284.21, 39,029.22 and 16,351.38 is: 22,563.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,284.21 : 39,029.22 = 16,351.38 : x
  2. Step 2: Convert to fraction form
    28,284.21/39,029.22 = 16,351.38/x
  3. Step 3: Cross multiply
    28,284.21x = 39,029.22 × 16,351.38
  4. Step 4: Simplify right side
    28,284.21x = 638,181,607.32
  5. Step 5: Solve for x
    x = 638,181,607.32/28,284.21
  6. Step 6: Final answer
    x = 22,563.18

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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.