Home / 27,215.31-40,804.41-13,855.50

Finding the Fourth Proportional to 27,215.31, 40,804.41 and 13,855.50

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Solution

The fourth proportional to 27,215.31, 40,804.41 and 13,855.50 is: 20,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,215.31 : 40,804.41 = 13,855.50 : x
  2. Step 2: Convert to fraction form
    27,215.31/40,804.41 = 13,855.50/x
  3. Step 3: Cross multiply
    27,215.31x = 40,804.41 × 13,855.50
  4. Step 4: Simplify right side
    27,215.31x = 565,365,502.76
  5. Step 5: Solve for x
    x = 565,365,502.76/27,215.31
  6. Step 6: Final answer
    x = 20,773.80

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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.