Home / 28,814.48-39,754.84-16,236.80

Finding the Fourth Proportional to 28,814.48, 39,754.84 and 16,236.80

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Solution

The fourth proportional to 28,814.48, 39,754.84 and 16,236.80 is: 22,401.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,814.48 : 39,754.84 = 16,236.80 : x
  2. Step 2: Convert to fraction form
    28,814.48/39,754.84 = 16,236.80/x
  3. Step 3: Cross multiply
    28,814.48x = 39,754.84 × 16,236.80
  4. Step 4: Simplify right side
    28,814.48x = 645,491,386.11
  5. Step 5: Solve for x
    x = 645,491,386.11/28,814.48
  6. Step 6: Final answer
    x = 22,401.63

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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.