Home / 27,859.04-38,447.44-15,924.16

Finding the Fourth Proportional to 27,859.04, 38,447.44 and 15,924.16

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Solution

The fourth proportional to 27,859.04, 38,447.44 and 15,924.16 is: 21,976.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,859.04 : 38,447.44 = 15,924.16 : x
  2. Step 2: Convert to fraction form
    27,859.04/38,447.44 = 15,924.16/x
  3. Step 3: Cross multiply
    27,859.04x = 38,447.44 × 15,924.16
  4. Step 4: Simplify right side
    27,859.04x = 612,243,186.15
  5. Step 5: Solve for x
    x = 612,243,186.15/27,859.04
  6. Step 6: Final answer
    x = 21,976.46

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Half scale
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Double scale
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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.