Home / 27,830.43-38,409.93-17,223.48

Finding the Fourth Proportional to 27,830.43, 38,409.93 and 17,223.48

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Solution

The fourth proportional to 27,830.43, 38,409.93 and 17,223.48 is: 23,770.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,830.43 : 38,409.93 = 17,223.48 : x
  2. Step 2: Convert to fraction form
    27,830.43/38,409.93 = 17,223.48/x
  3. Step 3: Cross multiply
    27,830.43x = 38,409.93 × 17,223.48
  4. Step 4: Simplify right side
    27,830.43x = 661,552,661.16
  5. Step 5: Solve for x
    x = 661,552,661.16/27,830.43
  6. Step 6: Final answer
    x = 23,770.84

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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.