Home / 28,901.25-39,886.97-16,326.81

Finding the Fourth Proportional to 28,901.25, 39,886.97 and 16,326.81

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Solution

The fourth proportional to 28,901.25, 39,886.97 and 16,326.81 is: 22,532.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,901.25 : 39,886.97 = 16,326.81 : x
  2. Step 2: Convert to fraction form
    28,901.25/39,886.97 = 16,326.81/x
  3. Step 3: Cross multiply
    28,901.25x = 39,886.97 × 16,326.81
  4. Step 4: Simplify right side
    28,901.25x = 651,226,899.03
  5. Step 5: Solve for x
    x = 651,226,899.03/28,901.25
  6. Step 6: Final answer
    x = 22,532.83

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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.