Home / 37,194.28-51,328.47-20,427.28

Finding the Fourth Proportional to 37,194.28, 51,328.47 and 20,427.28

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Solution

The fourth proportional to 37,194.28, 51,328.47 and 20,427.28 is: 28,189.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,194.28 : 51,328.47 = 20,427.28 : x
  2. Step 2: Convert to fraction form
    37,194.28/51,328.47 = 20,427.28/x
  3. Step 3: Cross multiply
    37,194.28x = 51,328.47 × 20,427.28
  4. Step 4: Simplify right side
    37,194.28x = 1,048,501,028.66
  5. Step 5: Solve for x
    x = 1,048,501,028.66/37,194.28
  6. Step 6: Final answer
    x = 28,189.85

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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.