Home / 26,287.80-39,431.70-16,446.30

Finding the Fourth Proportional to 26,287.80, 39,431.70 and 16,446.30

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Solution

The fourth proportional to 26,287.80, 39,431.70 and 16,446.30 is: 24,669.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.80 : 39,431.70 = 16,446.30 : x
  2. Step 2: Convert to fraction form
    26,287.80/39,431.70 = 16,446.30/x
  3. Step 3: Cross multiply
    26,287.80x = 39,431.70 × 16,446.30
  4. Step 4: Simplify right side
    26,287.80x = 648,505,567.71
  5. Step 5: Solve for x
    x = 648,505,567.71/26,287.80
  6. Step 6: Final answer
    x = 24,669.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.