Home / 27,923.62-38,533.60-15,978.50

Finding the Fourth Proportional to 27,923.62, 38,533.60 and 15,978.50

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Solution

The fourth proportional to 27,923.62, 38,533.60 and 15,978.50 is: 22,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.62 : 38,533.60 = 15,978.50 : x
  2. Step 2: Convert to fraction form
    27,923.62/38,533.60 = 15,978.50/x
  3. Step 3: Cross multiply
    27,923.62x = 38,533.60 × 15,978.50
  4. Step 4: Simplify right side
    27,923.62x = 615,709,127.60
  5. Step 5: Solve for x
    x = 615,709,127.60/27,923.62
  6. Step 6: Final answer
    x = 22,049.76

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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.