Home / 28,631.27-42,947.67-10,858.62

Finding the Fourth Proportional to 28,631.27, 42,947.67 and 10,858.62

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Solution

The fourth proportional to 28,631.27, 42,947.67 and 10,858.62 is: 16,288.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,631.27 : 42,947.67 = 10,858.62 : x
  2. Step 2: Convert to fraction form
    28,631.27/42,947.67 = 10,858.62/x
  3. Step 3: Cross multiply
    28,631.27x = 42,947.67 × 10,858.62
  4. Step 4: Simplify right side
    28,631.27x = 466,352,239.73
  5. Step 5: Solve for x
    x = 466,352,239.73/28,631.27
  6. Step 6: Final answer
    x = 16,288.21

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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.