Home / 28,857.08-39,816-17,526.26

Finding the Fourth Proportional to 28,857.08, 39,816 and 17,526.26

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Solution

The fourth proportional to 28,857.08, 39,816 and 17,526.26 is: 24,182.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.08 : 39,816 = 17,526.26 : x
  2. Step 2: Convert to fraction form
    28,857.08/39,816 = 17,526.26/x
  3. Step 3: Cross multiply
    28,857.08x = 39,816 × 17,526.26
  4. Step 4: Simplify right side
    28,857.08x = 697,825,369.08
  5. Step 5: Solve for x
    x = 697,825,369.08/28,857.08
  6. Step 6: Final answer
    x = 24,182.12

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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.