Home / 28,504.80-39,338.55-16,568.10

Finding the Fourth Proportional to 28,504.80, 39,338.55 and 16,568.10

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Solution

The fourth proportional to 28,504.80, 39,338.55 and 16,568.10 is: 22,865.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,504.80 : 39,338.55 = 16,568.10 : x
  2. Step 2: Convert to fraction form
    28,504.80/39,338.55 = 16,568.10/x
  3. Step 3: Cross multiply
    28,504.80x = 39,338.55 × 16,568.10
  4. Step 4: Simplify right side
    28,504.80x = 651,765,030.26
  5. Step 5: Solve for x
    x = 651,765,030.26/28,504.80
  6. Step 6: Final answer
    x = 22,865.10

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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.