Home / 19,639.22-29,488.38-16,895.74

Finding the Fourth Proportional to 19,639.22, 29,488.38 and 16,895.74

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Solution

The fourth proportional to 19,639.22, 29,488.38 and 16,895.74 is: 25,369.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,639.22 : 29,488.38 = 16,895.74 : x
  2. Step 2: Convert to fraction form
    19,639.22/29,488.38 = 16,895.74/x
  3. Step 3: Cross multiply
    19,639.22x = 29,488.38 × 16,895.74
  4. Step 4: Simplify right side
    19,639.22x = 498,228,001.50
  5. Step 5: Solve for x
    x = 498,228,001.50/19,639.22
  6. Step 6: Final answer
    x = 25,369.03

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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.