Home / 19,005.60-28,475.67-13,449.80

Finding the Fourth Proportional to 19,005.60, 28,475.67 and 13,449.80

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Solution

The fourth proportional to 19,005.60, 28,475.67 and 13,449.80 is: 20,151.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,005.60 : 28,475.67 = 13,449.80 : x
  2. Step 2: Convert to fraction form
    19,005.60/28,475.67 = 13,449.80/x
  3. Step 3: Cross multiply
    19,005.60x = 28,475.67 × 13,449.80
  4. Step 4: Simplify right side
    19,005.60x = 382,992,066.37
  5. Step 5: Solve for x
    x = 382,992,066.37/19,005.60
  6. Step 6: Final answer
    x = 20,151.54

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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.