Home / 28,726.07-39,629.00-16,784.03

Finding the Fourth Proportional to 28,726.07, 39,629.00 and 16,784.03

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Solution

The fourth proportional to 28,726.07, 39,629.00 and 16,784.03 is: 23,154.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,726.07 : 39,629.00 = 16,784.03 : x
  2. Step 2: Convert to fraction form
    28,726.07/39,629.00 = 16,784.03/x
  3. Step 3: Cross multiply
    28,726.07x = 39,629.00 × 16,784.03
  4. Step 4: Simplify right side
    28,726.07x = 665,134,465.90
  5. Step 5: Solve for x
    x = 665,134,465.90/28,726.07
  6. Step 6: Final answer
    x = 23,154.39

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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.