Home / 26,090.36-39,135.28-8,322.91

Finding the Fourth Proportional to 26,090.36, 39,135.28 and 8,322.91

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Solution

The fourth proportional to 26,090.36, 39,135.28 and 8,322.91 is: 12,484.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,090.36 : 39,135.28 = 8,322.91 : x
  2. Step 2: Convert to fraction form
    26,090.36/39,135.28 = 8,322.91/x
  3. Step 3: Cross multiply
    26,090.36x = 39,135.28 × 8,322.91
  4. Step 4: Simplify right side
    26,090.36x = 325,719,413.26
  5. Step 5: Solve for x
    x = 325,719,413.26/26,090.36
  6. Step 6: Final answer
    x = 12,484.28

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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.