Home / 20,651.34-28,482.99-13,926.32

Finding the Fourth Proportional to 20,651.34, 28,482.99 and 13,926.32

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Solution

The fourth proportional to 20,651.34, 28,482.99 and 13,926.32 is: 19,207.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,651.34 : 28,482.99 = 13,926.32 : x
  2. Step 2: Convert to fraction form
    20,651.34/28,482.99 = 13,926.32/x
  3. Step 3: Cross multiply
    20,651.34x = 28,482.99 × 13,926.32
  4. Step 4: Simplify right side
    20,651.34x = 396,663,233.30
  5. Step 5: Solve for x
    x = 396,663,233.30/20,651.34
  6. Step 6: Final answer
    x = 19,207.63

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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.