Home / 28,801.27-39,745.64-16,054.30

Finding the Fourth Proportional to 28,801.27, 39,745.64 and 16,054.30

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Solution

The fourth proportional to 28,801.27, 39,745.64 and 16,054.30 is: 22,154.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,801.27 : 39,745.64 = 16,054.30 : x
  2. Step 2: Convert to fraction form
    28,801.27/39,745.64 = 16,054.30/x
  3. Step 3: Cross multiply
    28,801.27x = 39,745.64 × 16,054.30
  4. Step 4: Simplify right side
    28,801.27x = 638,088,427.76
  5. Step 5: Solve for x
    x = 638,088,427.76/28,801.27
  6. Step 6: Final answer
    x = 22,154.87

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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.