Home / 27,277.60-40,954.80-16,909.60

Finding the Fourth Proportional to 27,277.60, 40,954.80 and 16,909.60

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Solution

The fourth proportional to 27,277.60, 40,954.80 and 16,909.60 is: 25,388.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.60 : 40,954.80 = 16,909.60 : x
  2. Step 2: Convert to fraction form
    27,277.60/40,954.80 = 16,909.60/x
  3. Step 3: Cross multiply
    27,277.60x = 40,954.80 × 16,909.60
  4. Step 4: Simplify right side
    27,277.60x = 692,529,286.08
  5. Step 5: Solve for x
    x = 692,529,286.08/27,277.60
  6. Step 6: Final answer
    x = 25,388.20

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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.