Home / 27,318.20-40,977.30-9,787.64

Finding the Fourth Proportional to 27,318.20, 40,977.30 and 9,787.64

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Solution

The fourth proportional to 27,318.20, 40,977.30 and 9,787.64 is: 14,681.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,318.20 : 40,977.30 = 9,787.64 : x
  2. Step 2: Convert to fraction form
    27,318.20/40,977.30 = 9,787.64/x
  3. Step 3: Cross multiply
    27,318.20x = 40,977.30 × 9,787.64
  4. Step 4: Simplify right side
    27,318.20x = 401,071,060.57
  5. Step 5: Solve for x
    x = 401,071,060.57/27,318.20
  6. Step 6: Final answer
    x = 14,681.46

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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.