Home / 28,986.30-43,479.45-26,556.30

Finding the Fourth Proportional to 28,986.30, 43,479.45 and 26,556.30

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Solution

The fourth proportional to 28,986.30, 43,479.45 and 26,556.30 is: 39,834.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,986.30 : 43,479.45 = 26,556.30 : x
  2. Step 2: Convert to fraction form
    28,986.30/43,479.45 = 26,556.30/x
  3. Step 3: Cross multiply
    28,986.30x = 43,479.45 × 26,556.30
  4. Step 4: Simplify right side
    28,986.30x = 1,154,653,318.04
  5. Step 5: Solve for x
    x = 1,154,653,318.04/28,986.30
  6. Step 6: Final answer
    x = 39,834.45

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Similar ratio
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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.