Home / 28,238.94-38,971.36-17,064.54

Finding the Fourth Proportional to 28,238.94, 38,971.36 and 17,064.54

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Solution

The fourth proportional to 28,238.94, 38,971.36 and 17,064.54 is: 23,550.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,238.94 : 38,971.36 = 17,064.54 : x
  2. Step 2: Convert to fraction form
    28,238.94/38,971.36 = 17,064.54/x
  3. Step 3: Cross multiply
    28,238.94x = 38,971.36 × 17,064.54
  4. Step 4: Simplify right side
    28,238.94x = 665,028,331.57
  5. Step 5: Solve for x
    x = 665,028,331.57/28,238.94
  6. Step 6: Final answer
    x = 23,550.05

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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.