Home / 37,628.77-51,928.29-20,634.56

Finding the Fourth Proportional to 37,628.77, 51,928.29 and 20,634.56

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Solution

The fourth proportional to 37,628.77, 51,928.29 and 20,634.56 is: 28,476.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,628.77 : 51,928.29 = 20,634.56 : x
  2. Step 2: Convert to fraction form
    37,628.77/51,928.29 = 20,634.56/x
  3. Step 3: Cross multiply
    37,628.77x = 51,928.29 × 20,634.56
  4. Step 4: Simplify right side
    37,628.77x = 1,071,517,468.14
  5. Step 5: Solve for x
    x = 1,071,517,468.14/37,628.77
  6. Step 6: Final answer
    x = 28,476.02

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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.