Home / 28,110.26-38,790.88-17,359.94

Finding the Fourth Proportional to 28,110.26, 38,790.88 and 17,359.94

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Solution

The fourth proportional to 28,110.26, 38,790.88 and 17,359.94 is: 23,955.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.26 : 38,790.88 = 17,359.94 : x
  2. Step 2: Convert to fraction form
    28,110.26/38,790.88 = 17,359.94/x
  3. Step 3: Cross multiply
    28,110.26x = 38,790.88 × 17,359.94
  4. Step 4: Simplify right side
    28,110.26x = 673,407,111.99
  5. Step 5: Solve for x
    x = 673,407,111.99/28,110.26
  6. Step 6: Final answer
    x = 23,955.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.