Home / 27,218.63-37,555.44-15,883.67

Finding the Fourth Proportional to 27,218.63, 37,555.44 and 15,883.67

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Solution

The fourth proportional to 27,218.63, 37,555.44 and 15,883.67 is: 21,915.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,218.63 : 37,555.44 = 15,883.67 : x
  2. Step 2: Convert to fraction form
    27,218.63/37,555.44 = 15,883.67/x
  3. Step 3: Cross multiply
    27,218.63x = 37,555.44 × 15,883.67
  4. Step 4: Simplify right side
    27,218.63x = 596,518,215.66
  5. Step 5: Solve for x
    x = 596,518,215.66/27,218.63
  6. Step 6: Final answer
    x = 21,915.81

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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.