Home / 23,239.35-34,855.32-19,315.80

Finding the Fourth Proportional to 23,239.35, 34,855.32 and 19,315.80

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Solution

The fourth proportional to 23,239.35, 34,855.32 and 19,315.80 is: 28,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,239.35 : 34,855.32 = 19,315.80 : x
  2. Step 2: Convert to fraction form
    23,239.35/34,855.32 = 19,315.80/x
  3. Step 3: Cross multiply
    23,239.35x = 34,855.32 × 19,315.80
  4. Step 4: Simplify right side
    23,239.35x = 673,258,390.06
  5. Step 5: Solve for x
    x = 673,258,390.06/23,239.35
  6. Step 6: Final answer
    x = 28,970.62

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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.