Home / 27,858.03-38,443.65-15,110.96

Finding the Fourth Proportional to 27,858.03, 38,443.65 and 15,110.96

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Solution

The fourth proportional to 27,858.03, 38,443.65 and 15,110.96 is: 20,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,858.03 : 38,443.65 = 15,110.96 : x
  2. Step 2: Convert to fraction form
    27,858.03/38,443.65 = 15,110.96/x
  3. Step 3: Cross multiply
    27,858.03x = 38,443.65 × 15,110.96
  4. Step 4: Simplify right side
    27,858.03x = 580,920,265.19
  5. Step 5: Solve for x
    x = 580,920,265.19/27,858.03
  6. Step 6: Final answer
    x = 20,852.88

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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.