Home / 26,728.89-36,882.64-14,791.51

Finding the Fourth Proportional to 26,728.89, 36,882.64 and 14,791.51

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Solution

The fourth proportional to 26,728.89, 36,882.64 and 14,791.51 is: 20,410.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.89 : 36,882.64 = 14,791.51 : x
  2. Step 2: Convert to fraction form
    26,728.89/36,882.64 = 14,791.51/x
  3. Step 3: Cross multiply
    26,728.89x = 36,882.64 × 14,791.51
  4. Step 4: Simplify right side
    26,728.89x = 545,549,938.39
  5. Step 5: Solve for x
    x = 545,549,938.39/26,728.89
  6. Step 6: Final answer
    x = 20,410.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.