Home / 25,626.63-38,440.20-8,987.07

Finding the Fourth Proportional to 25,626.63, 38,440.20 and 8,987.07

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Solution

The fourth proportional to 25,626.63, 38,440.20 and 8,987.07 is: 13,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,626.63 : 38,440.20 = 8,987.07 : x
  2. Step 2: Convert to fraction form
    25,626.63/38,440.20 = 8,987.07/x
  3. Step 3: Cross multiply
    25,626.63x = 38,440.20 × 8,987.07
  4. Step 4: Simplify right side
    25,626.63x = 345,464,768.21
  5. Step 5: Solve for x
    x = 345,464,768.21/25,626.63
  6. Step 6: Final answer
    x = 13,480.69

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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.