Home / 27,599.06-38,080.77-15,661.46

Finding the Fourth Proportional to 27,599.06, 38,080.77 and 15,661.46

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Solution

The fourth proportional to 27,599.06, 38,080.77 and 15,661.46 is: 21,609.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,599.06 : 38,080.77 = 15,661.46 : x
  2. Step 2: Convert to fraction form
    27,599.06/38,080.77 = 15,661.46/x
  3. Step 3: Cross multiply
    27,599.06x = 38,080.77 × 15,661.46
  4. Step 4: Simplify right side
    27,599.06x = 596,400,456.12
  5. Step 5: Solve for x
    x = 596,400,456.12/27,599.06
  6. Step 6: Final answer
    x = 21,609.45

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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.