Home / 19,204.60-28,749.30-16,900.60

Finding the Fourth Proportional to 19,204.60, 28,749.30 and 16,900.60

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Solution

The fourth proportional to 19,204.60, 28,749.30 and 16,900.60 is: 25,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,204.60 : 28,749.30 = 16,900.60 : x
  2. Step 2: Convert to fraction form
    19,204.60/28,749.30 = 16,900.60/x
  3. Step 3: Cross multiply
    19,204.60x = 28,749.30 × 16,900.60
  4. Step 4: Simplify right side
    19,204.60x = 485,880,419.58
  5. Step 5: Solve for x
    x = 485,880,419.58/19,204.60
  6. Step 6: Final answer
    x = 25,300.21

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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.