Home / 19,972.76-27,563.64-11,477.60

Finding the Fourth Proportional to 19,972.76, 27,563.64 and 11,477.60

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Solution

The fourth proportional to 19,972.76, 27,563.64 and 11,477.60 is: 15,839.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.76 : 27,563.64 = 11,477.60 : x
  2. Step 2: Convert to fraction form
    19,972.76/27,563.64 = 11,477.60/x
  3. Step 3: Cross multiply
    19,972.76x = 27,563.64 × 11,477.60
  4. Step 4: Simplify right side
    19,972.76x = 316,364,434.46
  5. Step 5: Solve for x
    x = 316,364,434.46/19,972.76
  6. Step 6: Final answer
    x = 15,839.80

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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.