Home / 28,810.08-39,754.80-17,629.92

Finding the Fourth Proportional to 28,810.08, 39,754.80 and 17,629.92

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Solution

The fourth proportional to 28,810.08, 39,754.80 and 17,629.92 is: 24,327.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.08 : 39,754.80 = 17,629.92 : x
  2. Step 2: Convert to fraction form
    28,810.08/39,754.80 = 17,629.92/x
  3. Step 3: Cross multiply
    28,810.08x = 39,754.80 × 17,629.92
  4. Step 4: Simplify right side
    28,810.08x = 700,873,943.62
  5. Step 5: Solve for x
    x = 700,873,943.62/28,810.08
  6. Step 6: Final answer
    x = 24,327.39

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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.