Home / 27,276.96-40,849.74-18,485.22

Finding the Fourth Proportional to 27,276.96, 40,849.74 and 18,485.22

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Solution

The fourth proportional to 27,276.96, 40,849.74 and 18,485.22 is: 27,683.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,276.96 : 40,849.74 = 18,485.22 : x
  2. Step 2: Convert to fraction form
    27,276.96/40,849.74 = 18,485.22/x
  3. Step 3: Cross multiply
    27,276.96x = 40,849.74 × 18,485.22
  4. Step 4: Simplify right side
    27,276.96x = 755,116,430.84
  5. Step 5: Solve for x
    x = 755,116,430.84/27,276.96
  6. Step 6: Final answer
    x = 27,683.31

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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.