Home / 28,427.67-42,641.61-7,366.20

Finding the Fourth Proportional to 28,427.67, 42,641.61 and 7,366.20

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Solution

The fourth proportional to 28,427.67, 42,641.61 and 7,366.20 is: 11,049.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,427.67 : 42,641.61 = 7,366.20 : x
  2. Step 2: Convert to fraction form
    28,427.67/42,641.61 = 7,366.20/x
  3. Step 3: Cross multiply
    28,427.67x = 42,641.61 × 7,366.20
  4. Step 4: Simplify right side
    28,427.67x = 314,106,627.58
  5. Step 5: Solve for x
    x = 314,106,627.58/28,427.67
  6. Step 6: Final answer
    x = 11,049.33

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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.