Home / 20,444.20-28,263.31-20,257.09

Finding the Fourth Proportional to 20,444.20, 28,263.31 and 20,257.09

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Solution

The fourth proportional to 20,444.20, 28,263.31 and 20,257.09 is: 28,004.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.20 : 28,263.31 = 20,257.09 : x
  2. Step 2: Convert to fraction form
    20,444.20/28,263.31 = 20,257.09/x
  3. Step 3: Cross multiply
    20,444.20x = 28,263.31 × 20,257.09
  4. Step 4: Simplify right side
    20,444.20x = 572,532,293.07
  5. Step 5: Solve for x
    x = 572,532,293.07/20,444.20
  6. Step 6: Final answer
    x = 28,004.64

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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.