Home / 27,043.61-37,356.19-21,758.36

Finding the Fourth Proportional to 27,043.61, 37,356.19 and 21,758.36

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Solution

The fourth proportional to 27,043.61, 37,356.19 and 21,758.36 is: 30,055.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,043.61 : 37,356.19 = 21,758.36 : x
  2. Step 2: Convert to fraction form
    27,043.61/37,356.19 = 21,758.36/x
  3. Step 3: Cross multiply
    27,043.61x = 37,356.19 × 21,758.36
  4. Step 4: Simplify right side
    27,043.61x = 812,809,189.07
  5. Step 5: Solve for x
    x = 812,809,189.07/27,043.61
  6. Step 6: Final answer
    x = 30,055.50

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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.