Home / 19,208.32-28,795.38-7,529.68

Finding the Fourth Proportional to 19,208.32, 28,795.38 and 7,529.68

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Solution

The fourth proportional to 19,208.32, 28,795.38 and 7,529.68 is: 11,287.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.32 : 28,795.38 = 7,529.68 : x
  2. Step 2: Convert to fraction form
    19,208.32/28,795.38 = 7,529.68/x
  3. Step 3: Cross multiply
    19,208.32x = 28,795.38 × 7,529.68
  4. Step 4: Simplify right side
    19,208.32x = 216,819,996.88
  5. Step 5: Solve for x
    x = 216,819,996.88/19,208.32
  6. Step 6: Final answer
    x = 11,287.82

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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.