Home / 20,824.78-28,708.29-14,846.07

Finding the Fourth Proportional to 20,824.78, 28,708.29 and 14,846.07

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Solution

The fourth proportional to 20,824.78, 28,708.29 and 14,846.07 is: 20,466.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,824.78 : 28,708.29 = 14,846.07 : x
  2. Step 2: Convert to fraction form
    20,824.78/28,708.29 = 14,846.07/x
  3. Step 3: Cross multiply
    20,824.78x = 28,708.29 × 14,846.07
  4. Step 4: Simplify right side
    20,824.78x = 426,205,229.09
  5. Step 5: Solve for x
    x = 426,205,229.09/20,824.78
  6. Step 6: Final answer
    x = 20,466.25

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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.