Home / 26,625.21-39,914.57-9,980.77

Finding the Fourth Proportional to 26,625.21, 39,914.57 and 9,980.77

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Solution

The fourth proportional to 26,625.21, 39,914.57 and 9,980.77 is: 14,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,625.21 : 39,914.57 = 9,980.77 : x
  2. Step 2: Convert to fraction form
    26,625.21/39,914.57 = 9,980.77/x
  3. Step 3: Cross multiply
    26,625.21x = 39,914.57 × 9,980.77
  4. Step 4: Simplify right side
    26,625.21x = 398,378,142.82
  5. Step 5: Solve for x
    x = 398,378,142.82/26,625.21
  6. Step 6: Final answer
    x = 14,962.44

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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.