Home / 28,855.09-39,809.64-17,529.27

Finding the Fourth Proportional to 28,855.09, 39,809.64 and 17,529.27

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Solution

The fourth proportional to 28,855.09, 39,809.64 and 17,529.27 is: 24,184.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,855.09 : 39,809.64 = 17,529.27 : x
  2. Step 2: Convert to fraction form
    28,855.09/39,809.64 = 17,529.27/x
  3. Step 3: Cross multiply
    28,855.09x = 39,809.64 × 17,529.27
  4. Step 4: Simplify right side
    28,855.09x = 697,833,928.16
  5. Step 5: Solve for x
    x = 697,833,928.16/28,855.09
  6. Step 6: Final answer
    x = 24,184.08

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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.