Home / 27,165.26-37,509.74-18,220.43

Finding the Fourth Proportional to 27,165.26, 37,509.74 and 18,220.43

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Solution

The fourth proportional to 27,165.26, 37,509.74 and 18,220.43 is: 25,158.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,165.26 : 37,509.74 = 18,220.43 : x
  2. Step 2: Convert to fraction form
    27,165.26/37,509.74 = 18,220.43/x
  3. Step 3: Cross multiply
    27,165.26x = 37,509.74 × 18,220.43
  4. Step 4: Simplify right side
    27,165.26x = 683,443,313.34
  5. Step 5: Solve for x
    x = 683,443,313.34/27,165.26
  6. Step 6: Final answer
    x = 25,158.73

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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.