Home / 26,911.36-40,367.06-12,868.07

Finding the Fourth Proportional to 26,911.36, 40,367.06 and 12,868.07

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Solution

The fourth proportional to 26,911.36, 40,367.06 and 12,868.07 is: 19,302.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,911.36 : 40,367.06 = 12,868.07 : x
  2. Step 2: Convert to fraction form
    26,911.36/40,367.06 = 12,868.07/x
  3. Step 3: Cross multiply
    26,911.36x = 40,367.06 × 12,868.07
  4. Step 4: Simplify right side
    26,911.36x = 519,446,153.77
  5. Step 5: Solve for x
    x = 519,446,153.77/26,911.36
  6. Step 6: Final answer
    x = 19,302.11

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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.