Home / 28,064.16-41,968.35-20,953.37

Finding the Fourth Proportional to 28,064.16, 41,968.35 and 20,953.37

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Solution

The fourth proportional to 28,064.16, 41,968.35 and 20,953.37 is: 31,334.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.16 : 41,968.35 = 20,953.37 : x
  2. Step 2: Convert to fraction form
    28,064.16/41,968.35 = 20,953.37/x
  3. Step 3: Cross multiply
    28,064.16x = 41,968.35 × 20,953.37
  4. Step 4: Simplify right side
    28,064.16x = 879,378,470.76
  5. Step 5: Solve for x
    x = 879,378,470.76/28,064.16
  6. Step 6: Final answer
    x = 31,334.57

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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.