Home / 27,736.86-38,276.19-15,804.06

Finding the Fourth Proportional to 27,736.86, 38,276.19 and 15,804.06

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Solution

The fourth proportional to 27,736.86, 38,276.19 and 15,804.06 is: 21,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,736.86 : 38,276.19 = 15,804.06 : x
  2. Step 2: Convert to fraction form
    27,736.86/38,276.19 = 15,804.06/x
  3. Step 3: Cross multiply
    27,736.86x = 38,276.19 × 15,804.06
  4. Step 4: Simplify right side
    27,736.86x = 604,919,203.33
  5. Step 5: Solve for x
    x = 604,919,203.33/27,736.86
  6. Step 6: Final answer
    x = 21,809.22

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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.