Home / 27,565.47-38,041.19-15,629.31

Finding the Fourth Proportional to 27,565.47, 38,041.19 and 15,629.31

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Solution

The fourth proportional to 27,565.47, 38,041.19 and 15,629.31 is: 21,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,565.47 : 38,041.19 = 15,629.31 : x
  2. Step 2: Convert to fraction form
    27,565.47/38,041.19 = 15,629.31/x
  3. Step 3: Cross multiply
    27,565.47x = 38,041.19 × 15,629.31
  4. Step 4: Simplify right side
    27,565.47x = 594,557,473.13
  5. Step 5: Solve for x
    x = 594,557,473.13/27,565.47
  6. Step 6: Final answer
    x = 21,568.92

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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.