Home / 38,285.08-57,319.74-28,895.23

Finding the Fourth Proportional to 38,285.08, 57,319.74 and 28,895.23

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Solution

The fourth proportional to 38,285.08, 57,319.74 and 28,895.23 is: 43,261.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,285.08 : 57,319.74 = 28,895.23 : x
  2. Step 2: Convert to fraction form
    38,285.08/57,319.74 = 28,895.23/x
  3. Step 3: Cross multiply
    38,285.08x = 57,319.74 × 28,895.23
  4. Step 4: Simplify right side
    38,285.08x = 1,656,267,070.84
  5. Step 5: Solve for x
    x = 1,656,267,070.84/38,285.08
  6. Step 6: Final answer
    x = 43,261.42

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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.