Home / 27,919.83-38,516.25-16,589.67

Finding the Fourth Proportional to 27,919.83, 38,516.25 and 16,589.67

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Solution

The fourth proportional to 27,919.83, 38,516.25 and 16,589.67 is: 22,885.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,919.83 : 38,516.25 = 16,589.67 : x
  2. Step 2: Convert to fraction form
    27,919.83/38,516.25 = 16,589.67/x
  3. Step 3: Cross multiply
    27,919.83x = 38,516.25 × 16,589.67
  4. Step 4: Simplify right side
    27,919.83x = 638,971,877.14
  5. Step 5: Solve for x
    x = 638,971,877.14/27,919.83
  6. Step 6: Final answer
    x = 22,885.95

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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.