Home / 28,389.29-39,175.32-16,450.49

Finding the Fourth Proportional to 28,389.29, 39,175.32 and 16,450.49

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Solution

The fourth proportional to 28,389.29, 39,175.32 and 16,450.49 is: 22,700.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,389.29 : 39,175.32 = 16,450.49 : x
  2. Step 2: Convert to fraction form
    28,389.29/39,175.32 = 16,450.49/x
  3. Step 3: Cross multiply
    28,389.29x = 39,175.32 × 16,450.49
  4. Step 4: Simplify right side
    28,389.29x = 644,453,014.03
  5. Step 5: Solve for x
    x = 644,453,014.03/28,389.29
  6. Step 6: Final answer
    x = 22,700.57

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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.