Home / 26,287.86-36,256.68-16,857.30

Finding the Fourth Proportional to 26,287.86, 36,256.68 and 16,857.30

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Solution

The fourth proportional to 26,287.86, 36,256.68 and 16,857.30 is: 23,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,287.86 : 36,256.68 = 16,857.30 : x
  2. Step 2: Convert to fraction form
    26,287.86/36,256.68 = 16,857.30/x
  3. Step 3: Cross multiply
    26,287.86x = 36,256.68 × 16,857.30
  4. Step 4: Simplify right side
    26,287.86x = 611,189,731.76
  5. Step 5: Solve for x
    x = 611,189,731.76/26,287.86
  6. Step 6: Final answer
    x = 23,249.89

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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.