Home / 28,925.14-43,358.16-16,418.75

Finding the Fourth Proportional to 28,925.14, 43,358.16 and 16,418.75

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Solution

The fourth proportional to 28,925.14, 43,358.16 and 16,418.75 is: 24,611.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,925.14 : 43,358.16 = 16,418.75 : x
  2. Step 2: Convert to fraction form
    28,925.14/43,358.16 = 16,418.75/x
  3. Step 3: Cross multiply
    28,925.14x = 43,358.16 × 16,418.75
  4. Step 4: Simplify right side
    28,925.14x = 711,886,789.50
  5. Step 5: Solve for x
    x = 711,886,789.50/28,925.14
  6. Step 6: Final answer
    x = 24,611.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.