Home / 28,259.73-42,399.99-11,615.31

Finding the Fourth Proportional to 28,259.73, 42,399.99 and 11,615.31

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Solution

The fourth proportional to 28,259.73, 42,399.99 and 11,615.31 is: 17,427.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,259.73 : 42,399.99 = 11,615.31 : x
  2. Step 2: Convert to fraction form
    28,259.73/42,399.99 = 11,615.31/x
  3. Step 3: Cross multiply
    28,259.73x = 42,399.99 × 11,615.31
  4. Step 4: Simplify right side
    28,259.73x = 492,489,027.85
  5. Step 5: Solve for x
    x = 492,489,027.85/28,259.73
  6. Step 6: Final answer
    x = 17,427.24

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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.