Home / 27,106.67-37,442.94-20,811.04

Finding the Fourth Proportional to 27,106.67, 37,442.94 and 20,811.04

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Solution

The fourth proportional to 27,106.67, 37,442.94 and 20,811.04 is: 28,746.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,106.67 : 37,442.94 = 20,811.04 : x
  2. Step 2: Convert to fraction form
    27,106.67/37,442.94 = 20,811.04/x
  3. Step 3: Cross multiply
    27,106.67x = 37,442.94 × 20,811.04
  4. Step 4: Simplify right side
    27,106.67x = 779,226,522.06
  5. Step 5: Solve for x
    x = 779,226,522.06/27,106.67
  6. Step 6: Final answer
    x = 28,746.67

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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.