Home / 27,984.58-38,617.76-15,237.54

Finding the Fourth Proportional to 27,984.58, 38,617.76 and 15,237.54

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Solution

The fourth proportional to 27,984.58, 38,617.76 and 15,237.54 is: 21,027.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,984.58 : 38,617.76 = 15,237.54 : x
  2. Step 2: Convert to fraction form
    27,984.58/38,617.76 = 15,237.54/x
  3. Step 3: Cross multiply
    27,984.58x = 38,617.76 × 15,237.54
  4. Step 4: Simplify right side
    27,984.58x = 588,439,700.80
  5. Step 5: Solve for x
    x = 588,439,700.80/27,984.58
  6. Step 6: Final answer
    x = 21,027.29

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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.