Home / 37,786.31-52,148.79-28,209.58

Finding the Fourth Proportional to 37,786.31, 52,148.79 and 28,209.58

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Solution

The fourth proportional to 37,786.31, 52,148.79 and 28,209.58 is: 38,931.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,786.31 : 52,148.79 = 28,209.58 : x
  2. Step 2: Convert to fraction form
    37,786.31/52,148.79 = 28,209.58/x
  3. Step 3: Cross multiply
    37,786.31x = 52,148.79 × 28,209.58
  4. Step 4: Simplify right side
    37,786.31x = 1,471,095,463.41
  5. Step 5: Solve for x
    x = 1,471,095,463.41/37,786.31
  6. Step 6: Final answer
    x = 38,931.97

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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.