Home / 26,945.88-40,427.22-13,807.47

Finding the Fourth Proportional to 26,945.88, 40,427.22 and 13,807.47

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Solution

The fourth proportional to 26,945.88, 40,427.22 and 13,807.47 is: 20,715.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,945.88 : 40,427.22 = 13,807.47 : x
  2. Step 2: Convert to fraction form
    26,945.88/40,427.22 = 13,807.47/x
  3. Step 3: Cross multiply
    26,945.88x = 40,427.22 × 13,807.47
  4. Step 4: Simplify right side
    26,945.88x = 558,197,627.33
  5. Step 5: Solve for x
    x = 558,197,627.33/26,945.88
  6. Step 6: Final answer
    x = 20,715.51

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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.