Home / 15,727.40-23,590.60-3,881.24

Finding the Fourth Proportional to 15,727.40, 23,590.60 and 3,881.24

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Solution

The fourth proportional to 15,727.40, 23,590.60 and 3,881.24 is: 5,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,727.40 : 23,590.60 = 3,881.24 : x
  2. Step 2: Convert to fraction form
    15,727.40/23,590.60 = 3,881.24/x
  3. Step 3: Cross multiply
    15,727.40x = 23,590.60 × 3,881.24
  4. Step 4: Simplify right side
    15,727.40x = 91,560,780.34
  5. Step 5: Solve for x
    x = 91,560,780.34/15,727.40
  6. Step 6: Final answer
    x = 5,821.74

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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.