Home / 28,047.10-38,705.03-16,112.77

Finding the Fourth Proportional to 28,047.10, 38,705.03 and 16,112.77

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Solution

The fourth proportional to 28,047.10, 38,705.03 and 16,112.77 is: 22,235.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,047.10 : 38,705.03 = 16,112.77 : x
  2. Step 2: Convert to fraction form
    28,047.10/38,705.03 = 16,112.77/x
  3. Step 3: Cross multiply
    28,047.10x = 38,705.03 × 16,112.77
  4. Step 4: Simplify right side
    28,047.10x = 623,645,246.23
  5. Step 5: Solve for x
    x = 623,645,246.23/28,047.10
  6. Step 6: Final answer
    x = 22,235.64

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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.