Home / 28,746.93-39,676.24-16,171.68

Finding the Fourth Proportional to 28,746.93, 39,676.24 and 16,171.68

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Solution

The fourth proportional to 28,746.93, 39,676.24 and 16,171.68 is: 22,320.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.93 : 39,676.24 = 16,171.68 : x
  2. Step 2: Convert to fraction form
    28,746.93/39,676.24 = 16,171.68/x
  3. Step 3: Cross multiply
    28,746.93x = 39,676.24 × 16,171.68
  4. Step 4: Simplify right side
    28,746.93x = 641,631,376.02
  5. Step 5: Solve for x
    x = 641,631,376.02/28,746.93
  6. Step 6: Final answer
    x = 22,320.00

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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.