Home / 28,594.12-39,458.81-15,846.97

Finding the Fourth Proportional to 28,594.12, 39,458.81 and 15,846.97

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Solution

The fourth proportional to 28,594.12, 39,458.81 and 15,846.97 is: 21,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,594.12 : 39,458.81 = 15,846.97 : x
  2. Step 2: Convert to fraction form
    28,594.12/39,458.81 = 15,846.97/x
  3. Step 3: Cross multiply
    28,594.12x = 39,458.81 × 15,846.97
  4. Step 4: Simplify right side
    28,594.12x = 625,302,301.78
  5. Step 5: Solve for x
    x = 625,302,301.78/28,594.12
  6. Step 6: Final answer
    x = 21,868.22

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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.