Home / 26,610.12-39,919.28-9,075.85

Finding the Fourth Proportional to 26,610.12, 39,919.28 and 9,075.85

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Solution

The fourth proportional to 26,610.12, 39,919.28 and 9,075.85 is: 13,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,610.12 : 39,919.28 = 9,075.85 : x
  2. Step 2: Convert to fraction form
    26,610.12/39,919.28 = 9,075.85/x
  3. Step 3: Cross multiply
    26,610.12x = 39,919.28 × 9,075.85
  4. Step 4: Simplify right side
    26,610.12x = 362,301,397.39
  5. Step 5: Solve for x
    x = 362,301,397.39/26,610.12
  6. Step 6: Final answer
    x = 13,615.17

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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.