Home / 38,140.32-57,226.20-16,782.06

Finding the Fourth Proportional to 38,140.32, 57,226.20 and 16,782.06

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Solution

The fourth proportional to 38,140.32, 57,226.20 and 16,782.06 is: 25,180.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,140.32 : 57,226.20 = 16,782.06 : x
  2. Step 2: Convert to fraction form
    38,140.32/57,226.20 = 16,782.06/x
  3. Step 3: Cross multiply
    38,140.32x = 57,226.20 × 16,782.06
  4. Step 4: Simplify right side
    38,140.32x = 960,373,521.97
  5. Step 5: Solve for x
    x = 960,373,521.97/38,140.32
  6. Step 6: Final answer
    x = 25,180.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.