Home / 26,391.42-39,582.18-13,240.26

Finding the Fourth Proportional to 26,391.42, 39,582.18 and 13,240.26

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Solution

The fourth proportional to 26,391.42, 39,582.18 and 13,240.26 is: 19,857.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.42 : 39,582.18 = 13,240.26 : x
  2. Step 2: Convert to fraction form
    26,391.42/39,582.18 = 13,240.26/x
  3. Step 3: Cross multiply
    26,391.42x = 39,582.18 × 13,240.26
  4. Step 4: Simplify right side
    26,391.42x = 524,078,354.57
  5. Step 5: Solve for x
    x = 524,078,354.57/26,391.42
  6. Step 6: Final answer
    x = 19,857.91

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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.