Home / 28,273.50-39,191.36-27,802.89

Finding the Fourth Proportional to 28,273.50, 39,191.36 and 27,802.89

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Solution

The fourth proportional to 28,273.50, 39,191.36 and 27,802.89 is: 38,539.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.50 : 39,191.36 = 27,802.89 : x
  2. Step 2: Convert to fraction form
    28,273.50/39,191.36 = 27,802.89/x
  3. Step 3: Cross multiply
    28,273.50x = 39,191.36 × 27,802.89
  4. Step 4: Simplify right side
    28,273.50x = 1,089,632,932.02
  5. Step 5: Solve for x
    x = 1,089,632,932.02/28,273.50
  6. Step 6: Final answer
    x = 38,539.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.