Home / 21,372.37-29,502.11-19,130.29

Finding the Fourth Proportional to 21,372.37, 29,502.11 and 19,130.29

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Solution

The fourth proportional to 21,372.37, 29,502.11 and 19,130.29 is: 26,407.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,372.37 : 29,502.11 = 19,130.29 : x
  2. Step 2: Convert to fraction form
    21,372.37/29,502.11 = 19,130.29/x
  3. Step 3: Cross multiply
    21,372.37x = 29,502.11 × 19,130.29
  4. Step 4: Simplify right side
    21,372.37x = 564,383,898.02
  5. Step 5: Solve for x
    x = 564,383,898.02/21,372.37
  6. Step 6: Final answer
    x = 26,407.17

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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.