Home / 27,762.12-41,635.35-9,990.18

Finding the Fourth Proportional to 27,762.12, 41,635.35 and 9,990.18

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Solution

The fourth proportional to 27,762.12, 41,635.35 and 9,990.18 is: 14,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,762.12 : 41,635.35 = 9,990.18 : x
  2. Step 2: Convert to fraction form
    27,762.12/41,635.35 = 9,990.18/x
  3. Step 3: Cross multiply
    27,762.12x = 41,635.35 × 9,990.18
  4. Step 4: Simplify right side
    27,762.12x = 415,944,640.86
  5. Step 5: Solve for x
    x = 415,944,640.86/27,762.12
  6. Step 6: Final answer
    x = 14,982.45

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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.