Home / 20,267.74-30,412.32-14,382.66

Finding the Fourth Proportional to 20,267.74, 30,412.32 and 14,382.66

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Solution

The fourth proportional to 20,267.74, 30,412.32 and 14,382.66 is: 21,581.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,267.74 : 30,412.32 = 14,382.66 : x
  2. Step 2: Convert to fraction form
    20,267.74/30,412.32 = 14,382.66/x
  3. Step 3: Cross multiply
    20,267.74x = 30,412.32 × 14,382.66
  4. Step 4: Simplify right side
    20,267.74x = 437,410,058.37
  5. Step 5: Solve for x
    x = 437,410,058.37/20,267.74
  6. Step 6: Final answer
    x = 21,581.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.