Home / 28,484.16-39,310.26-16,388.34

Finding the Fourth Proportional to 28,484.16, 39,310.26 and 16,388.34

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Solution

The fourth proportional to 28,484.16, 39,310.26 and 16,388.34 is: 22,617.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,484.16 : 39,310.26 = 16,388.34 : x
  2. Step 2: Convert to fraction form
    28,484.16/39,310.26 = 16,388.34/x
  3. Step 3: Cross multiply
    28,484.16x = 39,310.26 × 16,388.34
  4. Step 4: Simplify right side
    28,484.16x = 644,229,906.37
  5. Step 5: Solve for x
    x = 644,229,906.37/28,484.16
  6. Step 6: Final answer
    x = 22,617.13

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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.