Home / 28,366.62-42,556.23-8,646.68

Finding the Fourth Proportional to 28,366.62, 42,556.23 and 8,646.68

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Solution

The fourth proportional to 28,366.62, 42,556.23 and 8,646.68 is: 12,971.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,366.62 : 42,556.23 = 8,646.68 : x
  2. Step 2: Convert to fraction form
    28,366.62/42,556.23 = 8,646.68/x
  3. Step 3: Cross multiply
    28,366.62x = 42,556.23 × 8,646.68
  4. Step 4: Simplify right side
    28,366.62x = 367,969,890.04
  5. Step 5: Solve for x
    x = 367,969,890.04/28,366.62
  6. Step 6: Final answer
    x = 12,971.93

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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.