Home / 28,829.94-39,785.37-16,254.66

Finding the Fourth Proportional to 28,829.94, 39,785.37 and 16,254.66

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Solution

The fourth proportional to 28,829.94, 39,785.37 and 16,254.66 is: 22,431.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,829.94 : 39,785.37 = 16,254.66 : x
  2. Step 2: Convert to fraction form
    28,829.94/39,785.37 = 16,254.66/x
  3. Step 3: Cross multiply
    28,829.94x = 39,785.37 × 16,254.66
  4. Step 4: Simplify right side
    28,829.94x = 646,697,662.32
  5. Step 5: Solve for x
    x = 646,697,662.32/28,829.94
  6. Step 6: Final answer
    x = 22,431.46

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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.