Home / 26,685.12-40,029.93-7,963.95

Finding the Fourth Proportional to 26,685.12, 40,029.93 and 7,963.95

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Solution

The fourth proportional to 26,685.12, 40,029.93 and 7,963.95 is: 11,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,685.12 : 40,029.93 = 7,963.95 : x
  2. Step 2: Convert to fraction form
    26,685.12/40,029.93 = 7,963.95/x
  3. Step 3: Cross multiply
    26,685.12x = 40,029.93 × 7,963.95
  4. Step 4: Simplify right side
    26,685.12x = 318,796,361.02
  5. Step 5: Solve for x
    x = 318,796,361.02/26,685.12
  6. Step 6: Final answer
    x = 11,946.60

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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.