Home / 27,759.12-41,630.85-9,987.18

Finding the Fourth Proportional to 27,759.12, 41,630.85 and 9,987.18

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Solution

The fourth proportional to 27,759.12, 41,630.85 and 9,987.18 is: 14,977.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.12 : 41,630.85 = 9,987.18 : x
  2. Step 2: Convert to fraction form
    27,759.12/41,630.85 = 9,987.18/x
  3. Step 3: Cross multiply
    27,759.12x = 41,630.85 × 9,987.18
  4. Step 4: Simplify right side
    27,759.12x = 415,774,792.50
  5. Step 5: Solve for x
    x = 415,774,792.50/27,759.12
  6. Step 6: Final answer
    x = 14,977.95

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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.