Home / 28,626.20-42,946.62-8,904.93

Finding the Fourth Proportional to 28,626.20, 42,946.62 and 8,904.93

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Solution

The fourth proportional to 28,626.20, 42,946.62 and 8,904.93 is: 13,359.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.20 : 42,946.62 = 8,904.93 : x
  2. Step 2: Convert to fraction form
    28,626.20/42,946.62 = 8,904.93/x
  3. Step 3: Cross multiply
    28,626.20x = 42,946.62 × 8,904.93
  4. Step 4: Simplify right side
    28,626.20x = 382,436,644.84
  5. Step 5: Solve for x
    x = 382,436,644.84/28,626.20
  6. Step 6: Final answer
    x = 13,359.67

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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.