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Finding the Fourth Proportional to 23,415.99, 35,107.56 and 8,623.01

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Solution

The fourth proportional to 23,415.99, 35,107.56 and 8,623.01 is: 12,928.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,415.99 : 35,107.56 = 8,623.01 : x
  2. Step 2: Convert to fraction form
    23,415.99/35,107.56 = 8,623.01/x
  3. Step 3: Cross multiply
    23,415.99x = 35,107.56 × 8,623.01
  4. Step 4: Simplify right side
    23,415.99x = 302,732,928.72
  5. Step 5: Solve for x
    x = 302,732,928.72/23,415.99
  6. Step 6: Final answer
    x = 12,928.47

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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.