Home / 28,252.82-38,989.08-16,316.12

Finding the Fourth Proportional to 28,252.82, 38,989.08 and 16,316.12

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Solution

The fourth proportional to 28,252.82, 38,989.08 and 16,316.12 is: 22,516.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.82 : 38,989.08 = 16,316.12 : x
  2. Step 2: Convert to fraction form
    28,252.82/38,989.08 = 16,316.12/x
  3. Step 3: Cross multiply
    28,252.82x = 38,989.08 × 16,316.12
  4. Step 4: Simplify right side
    28,252.82x = 636,150,313.02
  5. Step 5: Solve for x
    x = 636,150,313.02/28,252.82
  6. Step 6: Final answer
    x = 22,516.35

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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.