Home / 26,412.06-39,603.78-11,603.64

Finding the Fourth Proportional to 26,412.06, 39,603.78 and 11,603.64

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Solution

The fourth proportional to 26,412.06, 39,603.78 and 11,603.64 is: 17,399.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,412.06 : 39,603.78 = 11,603.64 : x
  2. Step 2: Convert to fraction form
    26,412.06/39,603.78 = 11,603.64/x
  3. Step 3: Cross multiply
    26,412.06x = 39,603.78 × 11,603.64
  4. Step 4: Simplify right side
    26,412.06x = 459,548,005.76
  5. Step 5: Solve for x
    x = 459,548,005.76/26,412.06
  6. Step 6: Final answer
    x = 17,399.17

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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.