Home / 20,754.37-28,647.17-14,468.77

Finding the Fourth Proportional to 20,754.37, 28,647.17 and 14,468.77

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Solution

The fourth proportional to 20,754.37, 28,647.17 and 14,468.77 is: 19,971.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754.37 : 28,647.17 = 14,468.77 : x
  2. Step 2: Convert to fraction form
    20,754.37/28,647.17 = 14,468.77/x
  3. Step 3: Cross multiply
    20,754.37x = 28,647.17 × 14,468.77
  4. Step 4: Simplify right side
    20,754.37x = 414,489,313.88
  5. Step 5: Solve for x
    x = 414,489,313.88/20,754.37
  6. Step 6: Final answer
    x = 19,971.18

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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.