Home / 27,424.22-37,843.35-15,485.90

Finding the Fourth Proportional to 27,424.22, 37,843.35 and 15,485.90

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Solution

The fourth proportional to 27,424.22, 37,843.35 and 15,485.90 is: 21,369.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.22 : 37,843.35 = 15,485.90 : x
  2. Step 2: Convert to fraction form
    27,424.22/37,843.35 = 15,485.90/x
  3. Step 3: Cross multiply
    27,424.22x = 37,843.35 × 15,485.90
  4. Step 4: Simplify right side
    27,424.22x = 586,038,333.77
  5. Step 5: Solve for x
    x = 586,038,333.77/27,424.22
  6. Step 6: Final answer
    x = 21,369.37

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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.