Home / 26,055.20-39,082.80-19,402.40

Finding the Fourth Proportional to 26,055.20, 39,082.80 and 19,402.40

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Solution

The fourth proportional to 26,055.20, 39,082.80 and 19,402.40 is: 29,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,055.20 : 39,082.80 = 19,402.40 : x
  2. Step 2: Convert to fraction form
    26,055.20/39,082.80 = 19,402.40/x
  3. Step 3: Cross multiply
    26,055.20x = 39,082.80 × 19,402.40
  4. Step 4: Simplify right side
    26,055.20x = 758,300,118.72
  5. Step 5: Solve for x
    x = 758,300,118.72/26,055.20
  6. Step 6: Final answer
    x = 29,103.60

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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.