Home / 19,947.96-29,795.66-15,519.29

Finding the Fourth Proportional to 19,947.96, 29,795.66 and 15,519.29

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Solution

The fourth proportional to 19,947.96, 29,795.66 and 15,519.29 is: 23,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,947.96 : 29,795.66 = 15,519.29 : x
  2. Step 2: Convert to fraction form
    19,947.96/29,795.66 = 15,519.29/x
  3. Step 3: Cross multiply
    19,947.96x = 29,795.66 × 15,519.29
  4. Step 4: Simplify right side
    19,947.96x = 462,407,261.71
  5. Step 5: Solve for x
    x = 462,407,261.71/19,947.96
  6. Step 6: Final answer
    x = 23,180.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.