Home / 27,551.61-38,009.89-17,988.18

Finding the Fourth Proportional to 27,551.61, 38,009.89 and 17,988.18

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Solution

The fourth proportional to 27,551.61, 38,009.89 and 17,988.18 is: 24,816.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,551.61 : 38,009.89 = 17,988.18 : x
  2. Step 2: Convert to fraction form
    27,551.61/38,009.89 = 17,988.18/x
  3. Step 3: Cross multiply
    27,551.61x = 38,009.89 × 17,988.18
  4. Step 4: Simplify right side
    27,551.61x = 683,728,735.67
  5. Step 5: Solve for x
    x = 683,728,735.67/27,551.61
  6. Step 6: Final answer
    x = 24,816.29

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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.