Home / 28,252.05-38,981.25-16,313.16

Finding the Fourth Proportional to 28,252.05, 38,981.25 and 16,313.16

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Solution

The fourth proportional to 28,252.05, 38,981.25 and 16,313.16 is: 22,508.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,252.05 : 38,981.25 = 16,313.16 : x
  2. Step 2: Convert to fraction form
    28,252.05/38,981.25 = 16,313.16/x
  3. Step 3: Cross multiply
    28,252.05x = 38,981.25 × 16,313.16
  4. Step 4: Simplify right side
    28,252.05x = 635,907,368.25
  5. Step 5: Solve for x
    x = 635,907,368.25/28,252.05
  6. Step 6: Final answer
    x = 22,508.36

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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.