Home / 25,721.60-38,582.40-11,863.04

Finding the Fourth Proportional to 25,721.60, 38,582.40 and 11,863.04

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Solution

The fourth proportional to 25,721.60, 38,582.40 and 11,863.04 is: 17,794.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,721.60 : 38,582.40 = 11,863.04 : x
  2. Step 2: Convert to fraction form
    25,721.60/38,582.40 = 11,863.04/x
  3. Step 3: Cross multiply
    25,721.60x = 38,582.40 × 11,863.04
  4. Step 4: Simplify right side
    25,721.60x = 457,704,554.50
  5. Step 5: Solve for x
    x = 457,704,554.50/25,721.60
  6. Step 6: Final answer
    x = 17,794.56

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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.