Home / 26,218.10-39,297.49-12,862.42

Finding the Fourth Proportional to 26,218.10, 39,297.49 and 12,862.42

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Solution

The fourth proportional to 26,218.10, 39,297.49 and 12,862.42 is: 19,279.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,218.10 : 39,297.49 = 12,862.42 : x
  2. Step 2: Convert to fraction form
    26,218.10/39,297.49 = 12,862.42/x
  3. Step 3: Cross multiply
    26,218.10x = 39,297.49 × 12,862.42
  4. Step 4: Simplify right side
    26,218.10x = 505,460,690.93
  5. Step 5: Solve for x
    x = 505,460,690.93/26,218.10
  6. Step 6: Final answer
    x = 19,279.07

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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.