Home / 19,625.87-29,498.28-12,985.02

Finding the Fourth Proportional to 19,625.87, 29,498.28 and 12,985.02

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Solution

The fourth proportional to 19,625.87, 29,498.28 and 12,985.02 is: 19,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,625.87 : 29,498.28 = 12,985.02 : x
  2. Step 2: Convert to fraction form
    19,625.87/29,498.28 = 12,985.02/x
  3. Step 3: Cross multiply
    19,625.87x = 29,498.28 × 12,985.02
  4. Step 4: Simplify right side
    19,625.87x = 383,035,724.80
  5. Step 5: Solve for x
    x = 383,035,724.80/19,625.87
  6. Step 6: Final answer
    x = 19,516.88

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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.