Home / 27,923.54-38,533.42-15,987.98

Finding the Fourth Proportional to 27,923.54, 38,533.42 and 15,987.98

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Solution

The fourth proportional to 27,923.54, 38,533.42 and 15,987.98 is: 22,062.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,923.54 : 38,533.42 = 15,987.98 : x
  2. Step 2: Convert to fraction form
    27,923.54/38,533.42 = 15,987.98/x
  3. Step 3: Cross multiply
    27,923.54x = 38,533.42 × 15,987.98
  4. Step 4: Simplify right side
    27,923.54x = 616,071,664.61
  5. Step 5: Solve for x
    x = 616,071,664.61/27,923.54
  6. Step 6: Final answer
    x = 22,062.81

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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.