Home / 28,048.56-38,709.32-16,114.20

Finding the Fourth Proportional to 28,048.56, 38,709.32 and 16,114.20

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Solution

The fourth proportional to 28,048.56, 38,709.32 and 16,114.20 is: 22,238.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,048.56 : 38,709.32 = 16,114.20 : x
  2. Step 2: Convert to fraction form
    28,048.56/38,709.32 = 16,114.20/x
  3. Step 3: Cross multiply
    28,048.56x = 38,709.32 × 16,114.20
  4. Step 4: Simplify right side
    28,048.56x = 623,769,724.34
  5. Step 5: Solve for x
    x = 623,769,724.34/28,048.56
  6. Step 6: Final answer
    x = 22,238.92

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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.