Home / 26,557.36-39,829.80-9,919.04

Finding the Fourth Proportional to 26,557.36, 39,829.80 and 9,919.04

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Solution

The fourth proportional to 26,557.36, 39,829.80 and 9,919.04 is: 14,876.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,557.36 : 39,829.80 = 9,919.04 : x
  2. Step 2: Convert to fraction form
    26,557.36/39,829.80 = 9,919.04/x
  3. Step 3: Cross multiply
    26,557.36x = 39,829.80 × 9,919.04
  4. Step 4: Simplify right side
    26,557.36x = 395,073,379.39
  5. Step 5: Solve for x
    x = 395,073,379.39/26,557.36
  6. Step 6: Final answer
    x = 14,876.23

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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.