Home / 26,887.47-40,339.41-13,749.07

Finding the Fourth Proportional to 26,887.47, 40,339.41 and 13,749.07

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Solution

The fourth proportional to 26,887.47, 40,339.41 and 13,749.07 is: 20,627.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,887.47 : 40,339.41 = 13,749.07 : x
  2. Step 2: Convert to fraction form
    26,887.47/40,339.41 = 13,749.07/x
  3. Step 3: Cross multiply
    26,887.47x = 40,339.41 × 13,749.07
  4. Step 4: Simplify right side
    26,887.47x = 554,629,371.85
  5. Step 5: Solve for x
    x = 554,629,371.85/26,887.47
  6. Step 6: Final answer
    x = 20,627.80

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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.