Home / 20,190.34-27,854.93-14,897.78

Finding the Fourth Proportional to 20,190.34, 27,854.93 and 14,897.78

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Solution

The fourth proportional to 20,190.34, 27,854.93 and 14,897.78 is: 20,553.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,190.34 : 27,854.93 = 14,897.78 : x
  2. Step 2: Convert to fraction form
    20,190.34/27,854.93 = 14,897.78/x
  3. Step 3: Cross multiply
    20,190.34x = 27,854.93 × 14,897.78
  4. Step 4: Simplify right side
    20,190.34x = 414,976,619.06
  5. Step 5: Solve for x
    x = 414,976,619.06/20,190.34
  6. Step 6: Final answer
    x = 20,553.23

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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.