Home / 28,030.26-42,042.66-11,391.29

Finding the Fourth Proportional to 28,030.26, 42,042.66 and 11,391.29

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Solution

The fourth proportional to 28,030.26, 42,042.66 and 11,391.29 is: 17,085.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,030.26 : 42,042.66 = 11,391.29 : x
  2. Step 2: Convert to fraction form
    28,030.26/42,042.66 = 11,391.29/x
  3. Step 3: Cross multiply
    28,030.26x = 42,042.66 × 11,391.29
  4. Step 4: Simplify right side
    28,030.26x = 478,920,132.43
  5. Step 5: Solve for x
    x = 478,920,132.43/28,030.26
  6. Step 6: Final answer
    x = 17,085.83

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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.