Home / 20,442.74-28,214.37-14,063.99

Finding the Fourth Proportional to 20,442.74, 28,214.37 and 14,063.99

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Solution

The fourth proportional to 20,442.74, 28,214.37 and 14,063.99 is: 19,410.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,442.74 : 28,214.37 = 14,063.99 : x
  2. Step 2: Convert to fraction form
    20,442.74/28,214.37 = 14,063.99/x
  3. Step 3: Cross multiply
    20,442.74x = 28,214.37 × 14,063.99
  4. Step 4: Simplify right side
    20,442.74x = 396,806,476.46
  5. Step 5: Solve for x
    x = 396,806,476.46/20,442.74
  6. Step 6: Final answer
    x = 19,410.64

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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.