Home / 27,310.96-37,688.25-15,372.67

Finding the Fourth Proportional to 27,310.96, 37,688.25 and 15,372.67

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Solution

The fourth proportional to 27,310.96, 37,688.25 and 15,372.67 is: 21,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.96 : 37,688.25 = 15,372.67 : x
  2. Step 2: Convert to fraction form
    27,310.96/37,688.25 = 15,372.67/x
  3. Step 3: Cross multiply
    27,310.96x = 37,688.25 × 15,372.67
  4. Step 4: Simplify right side
    27,310.96x = 579,369,030.13
  5. Step 5: Solve for x
    x = 579,369,030.13/27,310.96
  6. Step 6: Final answer
    x = 21,213.79

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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.