Home / 27,311.60-40,967.40-9,783.20

Finding the Fourth Proportional to 27,311.60, 40,967.40 and 9,783.20

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Solution

The fourth proportional to 27,311.60, 40,967.40 and 9,783.20 is: 14,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.60 : 40,967.40 = 9,783.20 : x
  2. Step 2: Convert to fraction form
    27,311.60/40,967.40 = 9,783.20/x
  3. Step 3: Cross multiply
    27,311.60x = 40,967.40 × 9,783.20
  4. Step 4: Simplify right side
    27,311.60x = 400,792,267.68
  5. Step 5: Solve for x
    x = 400,792,267.68/27,311.60
  6. Step 6: Final answer
    x = 14,674.80

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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.