Home / 28,895.64-39,853.86-19,958.10

Finding the Fourth Proportional to 28,895.64, 39,853.86 and 19,958.10

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Solution

The fourth proportional to 28,895.64, 39,853.86 and 19,958.10 is: 27,526.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,895.64 : 39,853.86 = 19,958.10 : x
  2. Step 2: Convert to fraction form
    28,895.64/39,853.86 = 19,958.10/x
  3. Step 3: Cross multiply
    28,895.64x = 39,853.86 × 19,958.10
  4. Step 4: Simplify right side
    28,895.64x = 795,407,323.27
  5. Step 5: Solve for x
    x = 795,407,323.27/28,895.64
  6. Step 6: Final answer
    x = 27,526.90

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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.