Home / 27,835.62-38,411.73-15,257.94

Finding the Fourth Proportional to 27,835.62, 38,411.73 and 15,257.94

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Solution

The fourth proportional to 27,835.62, 38,411.73 and 15,257.94 is: 21,055.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,835.62 : 38,411.73 = 15,257.94 : x
  2. Step 2: Convert to fraction form
    27,835.62/38,411.73 = 15,257.94/x
  3. Step 3: Cross multiply
    27,835.62x = 38,411.73 × 15,257.94
  4. Step 4: Simplify right side
    27,835.62x = 586,083,871.64
  5. Step 5: Solve for x
    x = 586,083,871.64/27,835.62
  6. Step 6: Final answer
    x = 21,055.18

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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.