Home / 28,490.23-39,309.96-16,546.48

Finding the Fourth Proportional to 28,490.23, 39,309.96 and 16,546.48

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Solution

The fourth proportional to 28,490.23, 39,309.96 and 16,546.48 is: 22,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,490.23 : 39,309.96 = 16,546.48 : x
  2. Step 2: Convert to fraction form
    28,490.23/39,309.96 = 16,546.48/x
  3. Step 3: Cross multiply
    28,490.23x = 39,309.96 × 16,546.48
  4. Step 4: Simplify right side
    28,490.23x = 650,441,337.64
  5. Step 5: Solve for x
    x = 650,441,337.64/28,490.23
  6. Step 6: Final answer
    x = 22,830.33

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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.