Home / 27,890.44-38,494.74-16,718.92

Finding the Fourth Proportional to 27,890.44, 38,494.74 and 16,718.92

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Solution

The fourth proportional to 27,890.44, 38,494.74 and 16,718.92 is: 23,075.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,890.44 : 38,494.74 = 16,718.92 : x
  2. Step 2: Convert to fraction form
    27,890.44/38,494.74 = 16,718.92/x
  3. Step 3: Cross multiply
    27,890.44x = 38,494.74 × 16,718.92
  4. Step 4: Simplify right side
    27,890.44x = 643,590,478.48
  5. Step 5: Solve for x
    x = 643,590,478.48/27,890.44
  6. Step 6: Final answer
    x = 23,075.67

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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.