Home / 27,009.63-40,518.77-11,427.39

Finding the Fourth Proportional to 27,009.63, 40,518.77 and 11,427.39

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Solution

The fourth proportional to 27,009.63, 40,518.77 and 11,427.39 is: 17,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.63 : 40,518.77 = 11,427.39 : x
  2. Step 2: Convert to fraction form
    27,009.63/40,518.77 = 11,427.39/x
  3. Step 3: Cross multiply
    27,009.63x = 40,518.77 × 11,427.39
  4. Step 4: Simplify right side
    27,009.63x = 463,023,729.97
  5. Step 5: Solve for x
    x = 463,023,729.97/27,009.63
  6. Step 6: Final answer
    x = 17,142.91

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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.