Home / 27,113.51-40,659.33-8,389.15

Finding the Fourth Proportional to 27,113.51, 40,659.33 and 8,389.15

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Solution

The fourth proportional to 27,113.51, 40,659.33 and 8,389.15 is: 12,580.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,113.51 : 40,659.33 = 8,389.15 : x
  2. Step 2: Convert to fraction form
    27,113.51/40,659.33 = 8,389.15/x
  3. Step 3: Cross multiply
    27,113.51x = 40,659.33 × 8,389.15
  4. Step 4: Simplify right side
    27,113.51x = 341,097,014.97
  5. Step 5: Solve for x
    x = 341,097,014.97/27,113.51
  6. Step 6: Final answer
    x = 12,580.33

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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.