Home / 37,869.92-52,258.12-20,873.21

Finding the Fourth Proportional to 37,869.92, 52,258.12 and 20,873.21

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Solution

The fourth proportional to 37,869.92, 52,258.12 and 20,873.21 is: 28,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,869.92 : 52,258.12 = 20,873.21 : x
  2. Step 2: Convert to fraction form
    37,869.92/52,258.12 = 20,873.21/x
  3. Step 3: Cross multiply
    37,869.92x = 52,258.12 × 20,873.21
  4. Step 4: Simplify right side
    37,869.92x = 1,090,794,712.97
  5. Step 5: Solve for x
    x = 1,090,794,712.97/37,869.92
  6. Step 6: Final answer
    x = 28,803.72

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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.