Home / 26,475.68-39,653.04-12,634.40

Finding the Fourth Proportional to 26,475.68, 39,653.04 and 12,634.40

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Solution

The fourth proportional to 26,475.68, 39,653.04 and 12,634.40 is: 18,922.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,475.68 : 39,653.04 = 12,634.40 : x
  2. Step 2: Convert to fraction form
    26,475.68/39,653.04 = 12,634.40/x
  3. Step 3: Cross multiply
    26,475.68x = 39,653.04 × 12,634.40
  4. Step 4: Simplify right side
    26,475.68x = 500,992,368.58
  5. Step 5: Solve for x
    x = 500,992,368.58/26,475.68
  6. Step 6: Final answer
    x = 18,922.74

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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.