Home / 28,836.38-43,281.30-17,764.69

Finding the Fourth Proportional to 28,836.38, 43,281.30 and 17,764.69

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Solution

The fourth proportional to 28,836.38, 43,281.30 and 17,764.69 is: 26,663.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,836.38 : 43,281.30 = 17,764.69 : x
  2. Step 2: Convert to fraction form
    28,836.38/43,281.30 = 17,764.69/x
  3. Step 3: Cross multiply
    28,836.38x = 43,281.30 × 17,764.69
  4. Step 4: Simplify right side
    28,836.38x = 768,878,877.30
  5. Step 5: Solve for x
    x = 768,878,877.30/28,836.38
  6. Step 6: Final answer
    x = 26,663.50

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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.