Home / 28,853.70-39,818.62-16,925.64

Finding the Fourth Proportional to 28,853.70, 39,818.62 and 16,925.64

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Solution

The fourth proportional to 28,853.70, 39,818.62 and 16,925.64 is: 23,357.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,853.70 : 39,818.62 = 16,925.64 : x
  2. Step 2: Convert to fraction form
    28,853.70/39,818.62 = 16,925.64/x
  3. Step 3: Cross multiply
    28,853.70x = 39,818.62 × 16,925.64
  4. Step 4: Simplify right side
    28,853.70x = 673,955,627.42
  5. Step 5: Solve for x
    x = 673,955,627.42/28,853.70
  6. Step 6: Final answer
    x = 23,357.68

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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.