Home / 38,206.15-52,724.94-21,210.73

Finding the Fourth Proportional to 38,206.15, 52,724.94 and 21,210.73

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Solution

The fourth proportional to 38,206.15, 52,724.94 and 21,210.73 is: 29,271.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,206.15 : 52,724.94 = 21,210.73 : x
  2. Step 2: Convert to fraction form
    38,206.15/52,724.94 = 21,210.73/x
  3. Step 3: Cross multiply
    38,206.15x = 52,724.94 × 21,210.73
  4. Step 4: Simplify right side
    38,206.15x = 1,118,334,202.98
  5. Step 5: Solve for x
    x = 1,118,334,202.98/38,206.15
  6. Step 6: Final answer
    x = 29,271.06

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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.