Home / 25,580.19-38,370.23-9,786.78

Finding the Fourth Proportional to 25,580.19, 38,370.23 and 9,786.78

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Solution

The fourth proportional to 25,580.19, 38,370.23 and 9,786.78 is: 14,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.19 : 38,370.23 = 9,786.78 : x
  2. Step 2: Convert to fraction form
    25,580.19/38,370.23 = 9,786.78/x
  3. Step 3: Cross multiply
    25,580.19x = 38,370.23 × 9,786.78
  4. Step 4: Simplify right side
    25,580.19x = 375,520,987.33
  5. Step 5: Solve for x
    x = 375,520,987.33/25,580.19
  6. Step 6: Final answer
    x = 14,680.15

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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.