Home / 28,491.34-42,733.65-17,930.20

Finding the Fourth Proportional to 28,491.34, 42,733.65 and 17,930.20

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Solution

The fourth proportional to 28,491.34, 42,733.65 and 17,930.20 is: 26,893.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.34 : 42,733.65 = 17,930.20 : x
  2. Step 2: Convert to fraction form
    28,491.34/42,733.65 = 17,930.20/x
  3. Step 3: Cross multiply
    28,491.34x = 42,733.65 × 17,930.20
  4. Step 4: Simplify right side
    28,491.34x = 766,222,891.23
  5. Step 5: Solve for x
    x = 766,222,891.23/28,491.34
  6. Step 6: Final answer
    x = 26,893.19

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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.