Home / 27,317.91-37,699.91-15,381.24

Finding the Fourth Proportional to 27,317.91, 37,699.91 and 15,381.24

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Solution

The fourth proportional to 27,317.91, 37,699.91 and 15,381.24 is: 21,226.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,317.91 : 37,699.91 = 15,381.24 : x
  2. Step 2: Convert to fraction form
    27,317.91/37,699.91 = 15,381.24/x
  3. Step 3: Cross multiply
    27,317.91x = 37,699.91 × 15,381.24
  4. Step 4: Simplify right side
    27,317.91x = 579,871,371.89
  5. Step 5: Solve for x
    x = 579,871,371.89/27,317.91
  6. Step 6: Final answer
    x = 21,226.79

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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.