Home / 19,022.24-28,538.31-7,331.60

Finding the Fourth Proportional to 19,022.24, 28,538.31 and 7,331.60

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Solution

The fourth proportional to 19,022.24, 28,538.31 and 7,331.60 is: 10,999.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.24 : 28,538.31 = 7,331.60 : x
  2. Step 2: Convert to fraction form
    19,022.24/28,538.31 = 7,331.60/x
  3. Step 3: Cross multiply
    19,022.24x = 28,538.31 × 7,331.60
  4. Step 4: Simplify right side
    19,022.24x = 209,231,473.60
  5. Step 5: Solve for x
    x = 209,231,473.60/19,022.24
  6. Step 6: Final answer
    x = 10,999.31

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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.