Home / 28,056.96-42,085.44-7,283.52

Finding the Fourth Proportional to 28,056.96, 42,085.44 and 7,283.52

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Solution

The fourth proportional to 28,056.96, 42,085.44 and 7,283.52 is: 10,925.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,056.96 : 42,085.44 = 7,283.52 : x
  2. Step 2: Convert to fraction form
    28,056.96/42,085.44 = 7,283.52/x
  3. Step 3: Cross multiply
    28,056.96x = 42,085.44 × 7,283.52
  4. Step 4: Simplify right side
    28,056.96x = 306,530,143.95
  5. Step 5: Solve for x
    x = 306,530,143.95/28,056.96
  6. Step 6: Final answer
    x = 10,925.28

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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.