Home / 28,232.86-38,959.78-16,132.89

Finding the Fourth Proportional to 28,232.86, 38,959.78 and 16,132.89

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Solution

The fourth proportional to 28,232.86, 38,959.78 and 16,132.89 is: 22,262.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.86 : 38,959.78 = 16,132.89 : x
  2. Step 2: Convert to fraction form
    28,232.86/38,959.78 = 16,132.89/x
  3. Step 3: Cross multiply
    28,232.86x = 38,959.78 × 16,132.89
  4. Step 4: Simplify right side
    28,232.86x = 628,533,845.16
  5. Step 5: Solve for x
    x = 628,533,845.16/28,232.86
  6. Step 6: Final answer
    x = 22,262.49

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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.