Home / 27,998.18-38,637.48-15,422.93

Finding the Fourth Proportional to 27,998.18, 38,637.48 and 15,422.93

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Solution

The fourth proportional to 27,998.18, 38,637.48 and 15,422.93 is: 21,283.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.18 : 38,637.48 = 15,422.93 : x
  2. Step 2: Convert to fraction form
    27,998.18/38,637.48 = 15,422.93/x
  3. Step 3: Cross multiply
    27,998.18x = 38,637.48 × 15,422.93
  4. Step 4: Simplify right side
    27,998.18x = 595,902,956.23
  5. Step 5: Solve for x
    x = 595,902,956.23/27,998.18
  6. Step 6: Final answer
    x = 21,283.64

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Half scale
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Double scale
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Similar ratio
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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.