Home / 28,263.94-38,993.14-16,933.91

Finding the Fourth Proportional to 28,263.94, 38,993.14 and 16,933.91

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Solution

The fourth proportional to 28,263.94, 38,993.14 and 16,933.91 is: 23,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,263.94 : 38,993.14 = 16,933.91 : x
  2. Step 2: Convert to fraction form
    28,263.94/38,993.14 = 16,933.91/x
  3. Step 3: Cross multiply
    28,263.94x = 38,993.14 × 16,933.91
  4. Step 4: Simplify right side
    28,263.94x = 660,306,238.71
  5. Step 5: Solve for x
    x = 660,306,238.71/28,263.94
  6. Step 6: Final answer
    x = 23,362.15

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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.