Home / 26,923.98-40,359.72-12,880.34

Finding the Fourth Proportional to 26,923.98, 40,359.72 and 12,880.34

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Solution

The fourth proportional to 26,923.98, 40,359.72 and 12,880.34 is: 19,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,923.98 : 40,359.72 = 12,880.34 : x
  2. Step 2: Convert to fraction form
    26,923.98/40,359.72 = 12,880.34/x
  3. Step 3: Cross multiply
    26,923.98x = 40,359.72 × 12,880.34
  4. Step 4: Simplify right side
    26,923.98x = 519,846,915.90
  5. Step 5: Solve for x
    x = 519,846,915.90/26,923.98
  6. Step 6: Final answer
    x = 19,307.95

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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.