Home / 28,409.69-42,614.51-7,633.19

Finding the Fourth Proportional to 28,409.69, 42,614.51 and 7,633.19

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Solution

The fourth proportional to 28,409.69, 42,614.51 and 7,633.19 is: 11,449.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,409.69 : 42,614.51 = 7,633.19 : x
  2. Step 2: Convert to fraction form
    28,409.69/42,614.51 = 7,633.19/x
  3. Step 3: Cross multiply
    28,409.69x = 42,614.51 × 7,633.19
  4. Step 4: Simplify right side
    28,409.69x = 325,284,400.35
  5. Step 5: Solve for x
    x = 325,284,400.35/28,409.69
  6. Step 6: Final answer
    x = 11,449.77

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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.