Home / 19,441.20-29,089.80-14,257.20

Finding the Fourth Proportional to 19,441.20, 29,089.80 and 14,257.20

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Solution

The fourth proportional to 19,441.20, 29,089.80 and 14,257.20 is: 21,333.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,441.20 : 29,089.80 = 14,257.20 : x
  2. Step 2: Convert to fraction form
    19,441.20/29,089.80 = 14,257.20/x
  3. Step 3: Cross multiply
    19,441.20x = 29,089.80 × 14,257.20
  4. Step 4: Simplify right side
    19,441.20x = 414,739,096.56
  5. Step 5: Solve for x
    x = 414,739,096.56/19,441.20
  6. Step 6: Final answer
    x = 21,333.00

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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.