Home / 28,482.80-39,305.06-16,382.37

Finding the Fourth Proportional to 28,482.80, 39,305.06 and 16,382.37

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Solution

The fourth proportional to 28,482.80, 39,305.06 and 16,382.37 is: 22,606.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,482.80 : 39,305.06 = 16,382.37 : x
  2. Step 2: Convert to fraction form
    28,482.80/39,305.06 = 16,382.37/x
  3. Step 3: Cross multiply
    28,482.80x = 39,305.06 × 16,382.37
  4. Step 4: Simplify right side
    28,482.80x = 643,909,839.27
  5. Step 5: Solve for x
    x = 643,909,839.27/28,482.80
  6. Step 6: Final answer
    x = 22,606.98

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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.