Home / 28,659.07-39,550.76-15,912.26

Finding the Fourth Proportional to 28,659.07, 39,550.76 and 15,912.26

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Solution

The fourth proportional to 28,659.07, 39,550.76 and 15,912.26 is: 21,959.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.07 : 39,550.76 = 15,912.26 : x
  2. Step 2: Convert to fraction form
    28,659.07/39,550.76 = 15,912.26/x
  3. Step 3: Cross multiply
    28,659.07x = 39,550.76 × 15,912.26
  4. Step 4: Simplify right side
    28,659.07x = 629,341,699.00
  5. Step 5: Solve for x
    x = 629,341,699.00/28,659.07
  6. Step 6: Final answer
    x = 21,959.60

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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.