Home / 27,318.40-40,977.60-16,259.20

Finding the Fourth Proportional to 27,318.40, 40,977.60 and 16,259.20

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Solution

The fourth proportional to 27,318.40, 40,977.60 and 16,259.20 is: 24,388.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.40 : 40,977.60 = 16,259.20 : x
  2. Step 2: Convert to fraction form
    27,318.40/40,977.60 = 16,259.20/x
  3. Step 3: Cross multiply
    27,318.40x = 40,977.60 × 16,259.20
  4. Step 4: Simplify right side
    27,318.40x = 666,262,993.92
  5. Step 5: Solve for x
    x = 666,262,993.92/27,318.40
  6. Step 6: Final answer
    x = 24,388.80

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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.