Home / 28,809.58-43,185.66-12,173.80

Finding the Fourth Proportional to 28,809.58, 43,185.66 and 12,173.80

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Solution

The fourth proportional to 28,809.58, 43,185.66 and 12,173.80 is: 18,248.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.58 : 43,185.66 = 12,173.80 : x
  2. Step 2: Convert to fraction form
    28,809.58/43,185.66 = 12,173.80/x
  3. Step 3: Cross multiply
    28,809.58x = 43,185.66 × 12,173.80
  4. Step 4: Simplify right side
    28,809.58x = 525,733,587.71
  5. Step 5: Solve for x
    x = 525,733,587.71/28,809.58
  6. Step 6: Final answer
    x = 18,248.57

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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.