Home / 27,936.98-38,560.29-18,502.10

Finding the Fourth Proportional to 27,936.98, 38,560.29 and 18,502.10

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Solution

The fourth proportional to 27,936.98, 38,560.29 and 18,502.10 is: 25,537.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,936.98 : 38,560.29 = 18,502.10 : x
  2. Step 2: Convert to fraction form
    27,936.98/38,560.29 = 18,502.10/x
  3. Step 3: Cross multiply
    27,936.98x = 38,560.29 × 18,502.10
  4. Step 4: Simplify right side
    27,936.98x = 713,446,341.61
  5. Step 5: Solve for x
    x = 713,446,341.61/27,936.98
  6. Step 6: Final answer
    x = 25,537.70

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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.