Home / 27,495.45-37,943.54-15,558.53

Finding the Fourth Proportional to 27,495.45, 37,943.54 and 15,558.53

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Solution

The fourth proportional to 27,495.45, 37,943.54 and 15,558.53 is: 21,470.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,495.45 : 37,943.54 = 15,558.53 : x
  2. Step 2: Convert to fraction form
    27,495.45/37,943.54 = 15,558.53/x
  3. Step 3: Cross multiply
    27,495.45x = 37,943.54 × 15,558.53
  4. Step 4: Simplify right side
    27,495.45x = 590,345,709.66
  5. Step 5: Solve for x
    x = 590,345,709.66/27,495.45
  6. Step 6: Final answer
    x = 21,470.67

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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.