Home / 28,954.86-39,958.47-16,377.18

Finding the Fourth Proportional to 28,954.86, 39,958.47 and 16,377.18

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Solution

The fourth proportional to 28,954.86, 39,958.47 and 16,377.18 is: 22,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,954.86 : 39,958.47 = 16,377.18 : x
  2. Step 2: Convert to fraction form
    28,954.86/39,958.47 = 16,377.18/x
  3. Step 3: Cross multiply
    28,954.86x = 39,958.47 × 16,377.18
  4. Step 4: Simplify right side
    28,954.86x = 654,407,055.71
  5. Step 5: Solve for x
    x = 654,407,055.71/28,954.86
  6. Step 6: Final answer
    x = 22,600.94

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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.