Home / 28,576.83-39,449.70-19,032.60

Finding the Fourth Proportional to 28,576.83, 39,449.70 and 19,032.60

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Solution

The fourth proportional to 28,576.83, 39,449.70 and 19,032.60 is: 26,274.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.83 : 39,449.70 = 19,032.60 : x
  2. Step 2: Convert to fraction form
    28,576.83/39,449.70 = 19,032.60/x
  3. Step 3: Cross multiply
    28,576.83x = 39,449.70 × 19,032.60
  4. Step 4: Simplify right side
    28,576.83x = 750,830,360.22
  5. Step 5: Solve for x
    x = 750,830,360.22/28,576.83
  6. Step 6: Final answer
    x = 26,274.10

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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.