Home / 19,226.60-28,839.90-14,004.20

Finding the Fourth Proportional to 19,226.60, 28,839.90 and 14,004.20

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Solution

The fourth proportional to 19,226.60, 28,839.90 and 14,004.20 is: 21,006.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.60 : 28,839.90 = 14,004.20 : x
  2. Step 2: Convert to fraction form
    19,226.60/28,839.90 = 14,004.20/x
  3. Step 3: Cross multiply
    19,226.60x = 28,839.90 × 14,004.20
  4. Step 4: Simplify right side
    19,226.60x = 403,879,727.58
  5. Step 5: Solve for x
    x = 403,879,727.58/19,226.60
  6. Step 6: Final answer
    x = 21,006.30

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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.