Home / 26,894.94-40,343.31-9,125.43

Finding the Fourth Proportional to 26,894.94, 40,343.31 and 9,125.43

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Solution

The fourth proportional to 26,894.94, 40,343.31 and 9,125.43 is: 13,688.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,894.94 : 40,343.31 = 9,125.43 : x
  2. Step 2: Convert to fraction form
    26,894.94/40,343.31 = 9,125.43/x
  3. Step 3: Cross multiply
    26,894.94x = 40,343.31 × 9,125.43
  4. Step 4: Simplify right side
    26,894.94x = 368,150,051.37
  5. Step 5: Solve for x
    x = 368,150,051.37/26,894.94
  6. Step 6: Final answer
    x = 13,688.45

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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.