Home / 28,246.67-42,370.05-11,595.09

Finding the Fourth Proportional to 28,246.67, 42,370.05 and 11,595.09

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Solution

The fourth proportional to 28,246.67, 42,370.05 and 11,595.09 is: 17,392.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,246.67 : 42,370.05 = 11,595.09 : x
  2. Step 2: Convert to fraction form
    28,246.67/42,370.05 = 11,595.09/x
  3. Step 3: Cross multiply
    28,246.67x = 42,370.05 × 11,595.09
  4. Step 4: Simplify right side
    28,246.67x = 491,284,543.05
  5. Step 5: Solve for x
    x = 491,284,543.05/28,246.67
  6. Step 6: Final answer
    x = 17,392.66

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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.