Home / 26,431.43-39,669.02-19,836.41

Finding the Fourth Proportional to 26,431.43, 39,669.02 and 19,836.41

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Solution

The fourth proportional to 26,431.43, 39,669.02 and 19,836.41 is: 29,771.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.43 : 39,669.02 = 19,836.41 : x
  2. Step 2: Convert to fraction form
    26,431.43/39,669.02 = 19,836.41/x
  3. Step 3: Cross multiply
    26,431.43x = 39,669.02 × 19,836.41
  4. Step 4: Simplify right side
    26,431.43x = 786,890,845.84
  5. Step 5: Solve for x
    x = 786,890,845.84/26,431.43
  6. Step 6: Final answer
    x = 29,771.03

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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.