Home / 28,762.09-39,677.85-17,271.23

Finding the Fourth Proportional to 28,762.09, 39,677.85 and 17,271.23

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Solution

The fourth proportional to 28,762.09, 39,677.85 and 17,271.23 is: 23,825.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.09 : 39,677.85 = 17,271.23 : x
  2. Step 2: Convert to fraction form
    28,762.09/39,677.85 = 17,271.23/x
  3. Step 3: Cross multiply
    28,762.09x = 39,677.85 × 17,271.23
  4. Step 4: Simplify right side
    28,762.09x = 685,285,074.87
  5. Step 5: Solve for x
    x = 685,285,074.87/28,762.09
  6. Step 6: Final answer
    x = 23,825.99

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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.