Home / 26,844.40-40,218.60-12,962.80

Finding the Fourth Proportional to 26,844.40, 40,218.60 and 12,962.80

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Solution

The fourth proportional to 26,844.40, 40,218.60 and 12,962.80 is: 19,421.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,844.40 : 40,218.60 = 12,962.80 : x
  2. Step 2: Convert to fraction form
    26,844.40/40,218.60 = 12,962.80/x
  3. Step 3: Cross multiply
    26,844.40x = 40,218.60 × 12,962.80
  4. Step 4: Simplify right side
    26,844.40x = 521,345,668.08
  5. Step 5: Solve for x
    x = 521,345,668.08/26,844.40
  6. Step 6: Final answer
    x = 19,421.02

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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.