Home / 26,956.63-40,409.43-9,415.09

Finding the Fourth Proportional to 26,956.63, 40,409.43 and 9,415.09

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Solution

The fourth proportional to 26,956.63, 40,409.43 and 9,415.09 is: 14,113.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,956.63 : 40,409.43 = 9,415.09 : x
  2. Step 2: Convert to fraction form
    26,956.63/40,409.43 = 9,415.09/x
  3. Step 3: Cross multiply
    26,956.63x = 40,409.43 × 9,415.09
  4. Step 4: Simplify right side
    26,956.63x = 380,458,420.30
  5. Step 5: Solve for x
    x = 380,458,420.30/26,956.63
  6. Step 6: Final answer
    x = 14,113.72

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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.