Home / 28,491.44-42,746.67-17,949.29

Finding the Fourth Proportional to 28,491.44, 42,746.67 and 17,949.29

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Solution

The fourth proportional to 28,491.44, 42,746.67 and 17,949.29 is: 26,929.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,491.44 : 42,746.67 = 17,949.29 : x
  2. Step 2: Convert to fraction form
    28,491.44/42,746.67 = 17,949.29/x
  3. Step 3: Cross multiply
    28,491.44x = 42,746.67 × 17,949.29
  4. Step 4: Simplify right side
    28,491.44x = 767,272,162.63
  5. Step 5: Solve for x
    x = 767,272,162.63/28,491.44
  6. Step 6: Final answer
    x = 26,929.92

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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.