Home / 30,622.72-42,260.96-17,193.28

Finding the Fourth Proportional to 30,622.72, 42,260.96 and 17,193.28

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Solution

The fourth proportional to 30,622.72, 42,260.96 and 17,193.28 is: 23,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,622.72 : 42,260.96 = 17,193.28 : x
  2. Step 2: Convert to fraction form
    30,622.72/42,260.96 = 17,193.28/x
  3. Step 3: Cross multiply
    30,622.72x = 42,260.96 × 17,193.28
  4. Step 4: Simplify right side
    30,622.72x = 726,604,518.35
  5. Step 5: Solve for x
    x = 726,604,518.35/30,622.72
  6. Step 6: Final answer
    x = 23,727.63

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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.