Home / 20,855.16-31,204.26-14,627.33

Finding the Fourth Proportional to 20,855.16, 31,204.26 and 14,627.33

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Solution

The fourth proportional to 20,855.16, 31,204.26 and 14,627.33 is: 21,885.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,855.16 : 31,204.26 = 14,627.33 : x
  2. Step 2: Convert to fraction form
    20,855.16/31,204.26 = 14,627.33/x
  3. Step 3: Cross multiply
    20,855.16x = 31,204.26 × 14,627.33
  4. Step 4: Simplify right side
    20,855.16x = 456,434,852.40
  5. Step 5: Solve for x
    x = 456,434,852.40/20,855.16
  6. Step 6: Final answer
    x = 21,885.94

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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.