Home / 20,344.44-28,085.07-13,549.77

Finding the Fourth Proportional to 20,344.44, 28,085.07 and 13,549.77

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Solution

The fourth proportional to 20,344.44, 28,085.07 and 13,549.77 is: 18,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,344.44 : 28,085.07 = 13,549.77 : x
  2. Step 2: Convert to fraction form
    20,344.44/28,085.07 = 13,549.77/x
  3. Step 3: Cross multiply
    20,344.44x = 28,085.07 × 13,549.77
  4. Step 4: Simplify right side
    20,344.44x = 380,546,154.98
  5. Step 5: Solve for x
    x = 380,546,154.98/20,344.44
  6. Step 6: Final answer
    x = 18,705.17

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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.