Home / 27,185.39-37,515.90-15,862.67

Finding the Fourth Proportional to 27,185.39, 37,515.90 and 15,862.67

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Solution

The fourth proportional to 27,185.39, 37,515.90 and 15,862.67 is: 21,890.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,185.39 : 37,515.90 = 15,862.67 : x
  2. Step 2: Convert to fraction form
    27,185.39/37,515.90 = 15,862.67/x
  3. Step 3: Cross multiply
    27,185.39x = 37,515.90 × 15,862.67
  4. Step 4: Simplify right side
    27,185.39x = 595,102,341.45
  5. Step 5: Solve for x
    x = 595,102,341.45/27,185.39
  6. Step 6: Final answer
    x = 21,890.52

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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.