Home / 20,524.60-28,326.36-12,567.88

Finding the Fourth Proportional to 20,524.60, 28,326.36 and 12,567.88

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Solution

The fourth proportional to 20,524.60, 28,326.36 and 12,567.88 is: 17,345.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,524.60 : 28,326.36 = 12,567.88 : x
  2. Step 2: Convert to fraction form
    20,524.60/28,326.36 = 12,567.88/x
  3. Step 3: Cross multiply
    20,524.60x = 28,326.36 × 12,567.88
  4. Step 4: Simplify right side
    20,524.60x = 356,002,293.32
  5. Step 5: Solve for x
    x = 356,002,293.32/20,524.60
  6. Step 6: Final answer
    x = 17,345.15

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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.