Home / 27,620.07-41,407.60-12,838.29

Finding the Fourth Proportional to 27,620.07, 41,407.60 and 12,838.29

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Solution

The fourth proportional to 27,620.07, 41,407.60 and 12,838.29 is: 19,246.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,620.07 : 41,407.60 = 12,838.29 : x
  2. Step 2: Convert to fraction form
    27,620.07/41,407.60 = 12,838.29/x
  3. Step 3: Cross multiply
    27,620.07x = 41,407.60 × 12,838.29
  4. Step 4: Simplify right side
    27,620.07x = 531,602,777.00
  5. Step 5: Solve for x
    x = 531,602,777.00/27,620.07
  6. Step 6: Final answer
    x = 19,246.97

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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.