Home / 20,897.59-28,846.26-14,217.79

Finding the Fourth Proportional to 20,897.59, 28,846.26 and 14,217.79

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Solution

The fourth proportional to 20,897.59, 28,846.26 and 14,217.79 is: 19,625.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,897.59 : 28,846.26 = 14,217.79 : x
  2. Step 2: Convert to fraction form
    20,897.59/28,846.26 = 14,217.79/x
  3. Step 3: Cross multiply
    20,897.59x = 28,846.26 × 14,217.79
  4. Step 4: Simplify right side
    20,897.59x = 410,130,066.97
  5. Step 5: Solve for x
    x = 410,130,066.97/20,897.59
  6. Step 6: Final answer
    x = 19,625.71

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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.