Home / 26,656.24-39,977.08-9,120.16

Finding the Fourth Proportional to 26,656.24, 39,977.08 and 9,120.16

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Solution

The fourth proportional to 26,656.24, 39,977.08 and 9,120.16 is: 13,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,656.24 : 39,977.08 = 9,120.16 : x
  2. Step 2: Convert to fraction form
    26,656.24/39,977.08 = 9,120.16/x
  3. Step 3: Cross multiply
    26,656.24x = 39,977.08 × 9,120.16
  4. Step 4: Simplify right side
    26,656.24x = 364,597,365.93
  5. Step 5: Solve for x
    x = 364,597,365.93/26,656.24
  6. Step 6: Final answer
    x = 13,677.75

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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.