Home / 28,846.79-39,808.55-16,271.54

Finding the Fourth Proportional to 28,846.79, 39,808.55 and 16,271.54

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Solution

The fourth proportional to 28,846.79, 39,808.55 and 16,271.54 is: 22,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,846.79 : 39,808.55 = 16,271.54 : x
  2. Step 2: Convert to fraction form
    28,846.79/39,808.55 = 16,271.54/x
  3. Step 3: Cross multiply
    28,846.79x = 39,808.55 × 16,271.54
  4. Step 4: Simplify right side
    28,846.79x = 647,746,553.87
  5. Step 5: Solve for x
    x = 647,746,553.87/28,846.79
  6. Step 6: Final answer
    x = 22,454.72

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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.