Home / 26,681.78-36,821.57-14,745.86

Finding the Fourth Proportional to 26,681.78, 36,821.57 and 14,745.86

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Solution

The fourth proportional to 26,681.78, 36,821.57 and 14,745.86 is: 20,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,681.78 : 36,821.57 = 14,745.86 : x
  2. Step 2: Convert to fraction form
    26,681.78/36,821.57 = 14,745.86/x
  3. Step 3: Cross multiply
    26,681.78x = 36,821.57 × 14,745.86
  4. Step 4: Simplify right side
    26,681.78x = 542,965,716.20
  5. Step 5: Solve for x
    x = 542,965,716.20/26,681.78
  6. Step 6: Final answer
    x = 20,349.68

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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.