Home / 28,795.77-43,183.80-13,995.18

Finding the Fourth Proportional to 28,795.77, 43,183.80 and 13,995.18

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Solution

The fourth proportional to 28,795.77, 43,183.80 and 13,995.18 is: 20,987.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,795.77 : 43,183.80 = 13,995.18 : x
  2. Step 2: Convert to fraction form
    28,795.77/43,183.80 = 13,995.18/x
  3. Step 3: Cross multiply
    28,795.77x = 43,183.80 × 13,995.18
  4. Step 4: Simplify right side
    28,795.77x = 604,365,054.08
  5. Step 5: Solve for x
    x = 604,365,054.08/28,795.77
  6. Step 6: Final answer
    x = 20,987.98

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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.