Home / 28,909.98-43,364.30-13,327.62

Finding the Fourth Proportional to 28,909.98, 43,364.30 and 13,327.62

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Solution

The fourth proportional to 28,909.98, 43,364.30 and 13,327.62 is: 19,991.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,909.98 : 43,364.30 = 13,327.62 : x
  2. Step 2: Convert to fraction form
    28,909.98/43,364.30 = 13,327.62/x
  3. Step 3: Cross multiply
    28,909.98x = 43,364.30 × 13,327.62
  4. Step 4: Simplify right side
    28,909.98x = 577,942,911.97
  5. Step 5: Solve for x
    x = 577,942,911.97/28,909.98
  6. Step 6: Final answer
    x = 19,991.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.