Home / 26,441.28-39,605.76-19,857.60

Finding the Fourth Proportional to 26,441.28, 39,605.76 and 19,857.60

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Solution

The fourth proportional to 26,441.28, 39,605.76 and 19,857.60 is: 29,744.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,441.28 : 39,605.76 = 19,857.60 : x
  2. Step 2: Convert to fraction form
    26,441.28/39,605.76 = 19,857.60/x
  3. Step 3: Cross multiply
    26,441.28x = 39,605.76 × 19,857.60
  4. Step 4: Simplify right side
    26,441.28x = 786,475,339.78
  5. Step 5: Solve for x
    x = 786,475,339.78/26,441.28
  6. Step 6: Final answer
    x = 29,744.22

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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.