Home / 28,886.82-39,864.48-16,958.76

Finding the Fourth Proportional to 28,886.82, 39,864.48 and 16,958.76

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Solution

The fourth proportional to 28,886.82, 39,864.48 and 16,958.76 is: 23,403.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,886.82 : 39,864.48 = 16,958.76 : x
  2. Step 2: Convert to fraction form
    28,886.82/39,864.48 = 16,958.76/x
  3. Step 3: Cross multiply
    28,886.82x = 39,864.48 × 16,958.76
  4. Step 4: Simplify right side
    28,886.82x = 676,052,148.84
  5. Step 5: Solve for x
    x = 676,052,148.84/28,886.82
  6. Step 6: Final answer
    x = 23,403.48

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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.