Home / 21,652.36-29,856.83-18,795.25

Finding the Fourth Proportional to 21,652.36, 29,856.83 and 18,795.25

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Solution

The fourth proportional to 21,652.36, 29,856.83 and 18,795.25 is: 25,917.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,652.36 : 29,856.83 = 18,795.25 : x
  2. Step 2: Convert to fraction form
    21,652.36/29,856.83 = 18,795.25/x
  3. Step 3: Cross multiply
    21,652.36x = 29,856.83 × 18,795.25
  4. Step 4: Simplify right side
    21,652.36x = 561,166,434.77
  5. Step 5: Solve for x
    x = 561,166,434.77/21,652.36
  6. Step 6: Final answer
    x = 25,917.11

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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.