Home / 19,340.40-29,010.96-15,491.28

Finding the Fourth Proportional to 19,340.40, 29,010.96 and 15,491.28

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Solution

The fourth proportional to 19,340.40, 29,010.96 and 15,491.28 is: 23,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,340.40 : 29,010.96 = 15,491.28 : x
  2. Step 2: Convert to fraction form
    19,340.40/29,010.96 = 15,491.28/x
  3. Step 3: Cross multiply
    19,340.40x = 29,010.96 × 15,491.28
  4. Step 4: Simplify right side
    19,340.40x = 449,416,904.43
  5. Step 5: Solve for x
    x = 449,416,904.43/19,340.40
  6. Step 6: Final answer
    x = 23,237.21

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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.