Home / 26,843.64-40,235.08-13,668.18

Finding the Fourth Proportional to 26,843.64, 40,235.08 and 13,668.18

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Solution

The fourth proportional to 26,843.64, 40,235.08 and 13,668.18 is: 20,486.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,843.64 : 40,235.08 = 13,668.18 : x
  2. Step 2: Convert to fraction form
    26,843.64/40,235.08 = 13,668.18/x
  3. Step 3: Cross multiply
    26,843.64x = 40,235.08 × 13,668.18
  4. Step 4: Simplify right side
    26,843.64x = 549,940,281.58
  5. Step 5: Solve for x
    x = 549,940,281.58/26,843.64
  6. Step 6: Final answer
    x = 20,486.80

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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.