Home / 27,284.95-37,657.86-20,151.92

Finding the Fourth Proportional to 27,284.95, 37,657.86 and 20,151.92

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Solution

The fourth proportional to 27,284.95, 37,657.86 and 20,151.92 is: 27,813.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,284.95 : 37,657.86 = 20,151.92 : x
  2. Step 2: Convert to fraction form
    27,284.95/37,657.86 = 20,151.92/x
  3. Step 3: Cross multiply
    27,284.95x = 37,657.86 × 20,151.92
  4. Step 4: Simplify right side
    27,284.95x = 758,877,993.80
  5. Step 5: Solve for x
    x = 758,877,993.80/27,284.95
  6. Step 6: Final answer
    x = 27,813.07

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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.