Home / 28,068.12-38,738.81-26,806.95

Finding the Fourth Proportional to 28,068.12, 38,738.81 and 26,806.95

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Solution

The fourth proportional to 28,068.12, 38,738.81 and 26,806.95 is: 36,998.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068.12 : 38,738.81 = 26,806.95 : x
  2. Step 2: Convert to fraction form
    28,068.12/38,738.81 = 26,806.95/x
  3. Step 3: Cross multiply
    28,068.12x = 38,738.81 × 26,806.95
  4. Step 4: Simplify right side
    28,068.12x = 1,038,469,409.75
  5. Step 5: Solve for x
    x = 1,038,469,409.75/28,068.12
  6. Step 6: Final answer
    x = 36,998.18

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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.