Home / 19,029.60-28,544.40-16,842.60

Finding the Fourth Proportional to 19,029.60, 28,544.40 and 16,842.60

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Solution

The fourth proportional to 19,029.60, 28,544.40 and 16,842.60 is: 25,263.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.60 : 28,544.40 = 16,842.60 : x
  2. Step 2: Convert to fraction form
    19,029.60/28,544.40 = 16,842.60/x
  3. Step 3: Cross multiply
    19,029.60x = 28,544.40 × 16,842.60
  4. Step 4: Simplify right side
    19,029.60x = 480,761,911.44
  5. Step 5: Solve for x
    x = 480,761,911.44/19,029.60
  6. Step 6: Final answer
    x = 25,263.90

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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.