Home / 27,543.09-38,007.31-15,608.30

Finding the Fourth Proportional to 27,543.09, 38,007.31 and 15,608.30

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Solution

The fourth proportional to 27,543.09, 38,007.31 and 15,608.30 is: 21,538.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,543.09 : 38,007.31 = 15,608.30 : x
  2. Step 2: Convert to fraction form
    27,543.09/38,007.31 = 15,608.30/x
  3. Step 3: Cross multiply
    27,543.09x = 38,007.31 × 15,608.30
  4. Step 4: Simplify right side
    27,543.09x = 593,229,496.67
  5. Step 5: Solve for x
    x = 593,229,496.67/27,543.09
  6. Step 6: Final answer
    x = 21,538.23

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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.