Home / 19,029.20-28,550.64-12,801.03

Finding the Fourth Proportional to 19,029.20, 28,550.64 and 12,801.03

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Solution

The fourth proportional to 19,029.20, 28,550.64 and 12,801.03 is: 19,206.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,029.20 : 28,550.64 = 12,801.03 : x
  2. Step 2: Convert to fraction form
    19,029.20/28,550.64 = 12,801.03/x
  3. Step 3: Cross multiply
    19,029.20x = 28,550.64 × 12,801.03
  4. Step 4: Simplify right side
    19,029.20x = 365,477,599.16
  5. Step 5: Solve for x
    x = 365,477,599.16/19,029.20
  6. Step 6: Final answer
    x = 19,206.15

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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.