Home / 28,557.36-39,406.43-17,069.99

Finding the Fourth Proportional to 28,557.36, 39,406.43 and 17,069.99

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Solution

The fourth proportional to 28,557.36, 39,406.43 and 17,069.99 is: 23,554.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,557.36 : 39,406.43 = 17,069.99 : x
  2. Step 2: Convert to fraction form
    28,557.36/39,406.43 = 17,069.99/x
  3. Step 3: Cross multiply
    28,557.36x = 39,406.43 × 17,069.99
  4. Step 4: Simplify right side
    28,557.36x = 672,667,211.68
  5. Step 5: Solve for x
    x = 672,667,211.68/28,557.36
  6. Step 6: Final answer
    x = 23,554.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.