Home / 27,485.43-37,930.74-15,548.55

Finding the Fourth Proportional to 27,485.43, 37,930.74 and 15,548.55

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Solution

The fourth proportional to 27,485.43, 37,930.74 and 15,548.55 is: 21,457.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,485.43 : 37,930.74 = 15,548.55 : x
  2. Step 2: Convert to fraction form
    27,485.43/37,930.74 = 15,548.55/x
  3. Step 3: Cross multiply
    27,485.43x = 37,930.74 × 15,548.55
  4. Step 4: Simplify right side
    27,485.43x = 589,768,007.43
  5. Step 5: Solve for x
    x = 589,768,007.43/27,485.43
  6. Step 6: Final answer
    x = 21,457.48

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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.