Home / 28,541.58-39,396.40-19,601.60

Finding the Fourth Proportional to 28,541.58, 39,396.40 and 19,601.60

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Solution

The fourth proportional to 28,541.58, 39,396.40 and 19,601.60 is: 27,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,541.58 : 39,396.40 = 19,601.60 : x
  2. Step 2: Convert to fraction form
    28,541.58/39,396.40 = 19,601.60/x
  3. Step 3: Cross multiply
    28,541.58x = 39,396.40 × 19,601.60
  4. Step 4: Simplify right side
    28,541.58x = 772,232,474.24
  5. Step 5: Solve for x
    x = 772,232,474.24/28,541.58
  6. Step 6: Final answer
    x = 27,056.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.