Home / 28,060.05-38,724.77-16,128.15

Finding the Fourth Proportional to 28,060.05, 38,724.77 and 16,128.15

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Solution

The fourth proportional to 28,060.05, 38,724.77 and 16,128.15 is: 22,257.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.05 : 38,724.77 = 16,128.15 : x
  2. Step 2: Convert to fraction form
    28,060.05/38,724.77 = 16,128.15/x
  3. Step 3: Cross multiply
    28,060.05x = 38,724.77 × 16,128.15
  4. Step 4: Simplify right side
    28,060.05x = 624,558,899.28
  5. Step 5: Solve for x
    x = 624,558,899.28/28,060.05
  6. Step 6: Final answer
    x = 22,257.94

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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.