Home / 28,868.16-39,837.60-16,293.12

Finding the Fourth Proportional to 28,868.16, 39,837.60 and 16,293.12

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Solution

The fourth proportional to 28,868.16, 39,837.60 and 16,293.12 is: 22,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.16 : 39,837.60 = 16,293.12 : x
  2. Step 2: Convert to fraction form
    28,868.16/39,837.60 = 16,293.12/x
  3. Step 3: Cross multiply
    28,868.16x = 39,837.60 × 16,293.12
  4. Step 4: Simplify right side
    28,868.16x = 649,078,797.31
  5. Step 5: Solve for x
    x = 649,078,797.31/28,868.16
  6. Step 6: Final answer
    x = 22,484.25

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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.