Home / 28,983.75-39,997.59-16,408.50

Finding the Fourth Proportional to 28,983.75, 39,997.59 and 16,408.50

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Solution

The fourth proportional to 28,983.75, 39,997.59 and 16,408.50 is: 22,643.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,983.75 : 39,997.59 = 16,408.50 : x
  2. Step 2: Convert to fraction form
    28,983.75/39,997.59 = 16,408.50/x
  3. Step 3: Cross multiply
    28,983.75x = 39,997.59 × 16,408.50
  4. Step 4: Simplify right side
    28,983.75x = 656,300,455.52
  5. Step 5: Solve for x
    x = 656,300,455.52/28,983.75
  6. Step 6: Final answer
    x = 22,643.74

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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.