Home / 27,998.19-38,637.50-15,422.94

Finding the Fourth Proportional to 27,998.19, 38,637.50 and 15,422.94

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Solution

The fourth proportional to 27,998.19, 38,637.50 and 15,422.94 is: 21,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,998.19 : 38,637.50 = 15,422.94 : x
  2. Step 2: Convert to fraction form
    27,998.19/38,637.50 = 15,422.94/x
  3. Step 3: Cross multiply
    27,998.19x = 38,637.50 × 15,422.94
  4. Step 4: Simplify right side
    27,998.19x = 595,903,844.25
  5. Step 5: Solve for x
    x = 595,903,844.25/27,998.19
  6. Step 6: Final answer
    x = 21,283.66

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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.