Home / 25,717.29-38,549.47-11,687.07

Finding the Fourth Proportional to 25,717.29, 38,549.47 and 11,687.07

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Solution

The fourth proportional to 25,717.29, 38,549.47 and 11,687.07 is: 17,518.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,717.29 : 38,549.47 = 11,687.07 : x
  2. Step 2: Convert to fraction form
    25,717.29/38,549.47 = 11,687.07/x
  3. Step 3: Cross multiply
    25,717.29x = 38,549.47 × 11,687.07
  4. Step 4: Simplify right side
    25,717.29x = 450,530,354.35
  5. Step 5: Solve for x
    x = 450,530,354.35/25,717.29
  6. Step 6: Final answer
    x = 17,518.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.