Home / 23,015.70-34,487.10-19,297.80

Finding the Fourth Proportional to 23,015.70, 34,487.10 and 19,297.80

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Solution

The fourth proportional to 23,015.70, 34,487.10 and 19,297.80 is: 28,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,015.70 : 34,487.10 = 19,297.80 : x
  2. Step 2: Convert to fraction form
    23,015.70/34,487.10 = 19,297.80/x
  3. Step 3: Cross multiply
    23,015.70x = 34,487.10 × 19,297.80
  4. Step 4: Simplify right side
    23,015.70x = 665,525,158.38
  5. Step 5: Solve for x
    x = 665,525,158.38/23,015.70
  6. Step 6: Final answer
    x = 28,916.14

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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.