Home / 19,954.96-29,696.84-19,290.52

Finding the Fourth Proportional to 19,954.96, 29,696.84 and 19,290.52

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Solution

The fourth proportional to 19,954.96, 29,696.84 and 19,290.52 is: 28,708.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.96 : 29,696.84 = 19,290.52 : x
  2. Step 2: Convert to fraction form
    19,954.96/29,696.84 = 19,290.52/x
  3. Step 3: Cross multiply
    19,954.96x = 29,696.84 × 19,290.52
  4. Step 4: Simplify right side
    19,954.96x = 572,867,485.96
  5. Step 5: Solve for x
    x = 572,867,485.96/19,954.96
  6. Step 6: Final answer
    x = 28,708.02

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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.