Home / 27,064.80-40,532.40-13,197.60

Finding the Fourth Proportional to 27,064.80, 40,532.40 and 13,197.60

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Solution

The fourth proportional to 27,064.80, 40,532.40 and 13,197.60 is: 19,764.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,064.80 : 40,532.40 = 13,197.60 : x
  2. Step 2: Convert to fraction form
    27,064.80/40,532.40 = 13,197.60/x
  3. Step 3: Cross multiply
    27,064.80x = 40,532.40 × 13,197.60
  4. Step 4: Simplify right side
    27,064.80x = 534,930,402.24
  5. Step 5: Solve for x
    x = 534,930,402.24/27,064.80
  6. Step 6: Final answer
    x = 19,764.80

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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.