Home / 27,681.21-41,489.37-12,858.93

Finding the Fourth Proportional to 27,681.21, 41,489.37 and 12,858.93

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Solution

The fourth proportional to 27,681.21, 41,489.37 and 12,858.93 is: 19,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681.21 : 41,489.37 = 12,858.93 : x
  2. Step 2: Convert to fraction form
    27,681.21/41,489.37 = 12,858.93/x
  3. Step 3: Cross multiply
    27,681.21x = 41,489.37 × 12,858.93
  4. Step 4: Simplify right side
    27,681.21x = 533,508,904.57
  5. Step 5: Solve for x
    x = 533,508,904.57/27,681.21
  6. Step 6: Final answer
    x = 19,273.32

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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.