Home / 28,594.60-39,458.56-15,846.88

Finding the Fourth Proportional to 28,594.60, 39,458.56 and 15,846.88

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Solution

The fourth proportional to 28,594.60, 39,458.56 and 15,846.88 is: 21,867.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.60 : 39,458.56 = 15,846.88 : x
  2. Step 2: Convert to fraction form
    28,594.60/39,458.56 = 15,846.88/x
  3. Step 3: Cross multiply
    28,594.60x = 39,458.56 × 15,846.88
  4. Step 4: Simplify right side
    28,594.60x = 625,295,065.29
  5. Step 5: Solve for x
    x = 625,295,065.29/28,594.60
  6. Step 6: Final answer
    x = 21,867.59

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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.