Home / 27,106.17-37,442.25-20,810.54

Finding the Fourth Proportional to 27,106.17, 37,442.25 and 20,810.54

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Solution

The fourth proportional to 27,106.17, 37,442.25 and 20,810.54 is: 28,745.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.17 : 37,442.25 = 20,810.54 : x
  2. Step 2: Convert to fraction form
    27,106.17/37,442.25 = 20,810.54/x
  3. Step 3: Cross multiply
    27,106.17x = 37,442.25 × 20,810.54
  4. Step 4: Simplify right side
    27,106.17x = 779,193,441.32
  5. Step 5: Solve for x
    x = 779,193,441.32/27,106.17
  6. Step 6: Final answer
    x = 28,745.98

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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.