Home / 27,277.05-37,643.60-15,177.60

Finding the Fourth Proportional to 27,277.05, 37,643.60 and 15,177.60

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Solution

The fourth proportional to 27,277.05, 37,643.60 and 15,177.60 is: 20,945.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.05 : 37,643.60 = 15,177.60 : x
  2. Step 2: Convert to fraction form
    27,277.05/37,643.60 = 15,177.60/x
  3. Step 3: Cross multiply
    27,277.05x = 37,643.60 × 15,177.60
  4. Step 4: Simplify right side
    27,277.05x = 571,339,541.30
  5. Step 5: Solve for x
    x = 571,339,541.30/27,277.05
  6. Step 6: Final answer
    x = 20,945.79

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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.