Home / 26,443.28-39,608.76-19,859.60

Finding the Fourth Proportional to 26,443.28, 39,608.76 and 19,859.60

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Solution

The fourth proportional to 26,443.28, 39,608.76 and 19,859.60 is: 29,747.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,443.28 : 39,608.76 = 19,859.60 : x
  2. Step 2: Convert to fraction form
    26,443.28/39,608.76 = 19,859.60/x
  3. Step 3: Cross multiply
    26,443.28x = 39,608.76 × 19,859.60
  4. Step 4: Simplify right side
    26,443.28x = 786,614,130.10
  5. Step 5: Solve for x
    x = 786,614,130.10/26,443.28
  6. Step 6: Final answer
    x = 29,747.22

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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.