Home / 27,318.40-40,977.60-19,484.80

Finding the Fourth Proportional to 27,318.40, 40,977.60 and 19,484.80

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Solution

The fourth proportional to 27,318.40, 40,977.60 and 19,484.80 is: 29,227.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.40 : 40,977.60 = 19,484.80 : x
  2. Step 2: Convert to fraction form
    27,318.40/40,977.60 = 19,484.80/x
  3. Step 3: Cross multiply
    27,318.40x = 40,977.60 × 19,484.80
  4. Step 4: Simplify right side
    27,318.40x = 798,440,340.48
  5. Step 5: Solve for x
    x = 798,440,340.48/27,318.40
  6. Step 6: Final answer
    x = 29,227.20

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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.