Home / 27,069.56-37,362.76-21,670.91

Finding the Fourth Proportional to 27,069.56, 37,362.76 and 21,670.91

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Solution

The fourth proportional to 27,069.56, 37,362.76 and 21,670.91 is: 29,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,069.56 : 37,362.76 = 21,670.91 : x
  2. Step 2: Convert to fraction form
    27,069.56/37,362.76 = 21,670.91/x
  3. Step 3: Cross multiply
    27,069.56x = 37,362.76 × 21,670.91
  4. Step 4: Simplify right side
    27,069.56x = 809,685,009.31
  5. Step 5: Solve for x
    x = 809,685,009.31/27,069.56
  6. Step 6: Final answer
    x = 29,911.27

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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.