Home / 26,955.90-40,435.05-9,186.30

Finding the Fourth Proportional to 26,955.90, 40,435.05 and 9,186.30

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Solution

The fourth proportional to 26,955.90, 40,435.05 and 9,186.30 is: 13,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,955.90 : 40,435.05 = 9,186.30 : x
  2. Step 2: Convert to fraction form
    26,955.90/40,435.05 = 9,186.30/x
  3. Step 3: Cross multiply
    26,955.90x = 40,435.05 × 9,186.30
  4. Step 4: Simplify right side
    26,955.90x = 371,448,499.82
  5. Step 5: Solve for x
    x = 371,448,499.82/26,955.90
  6. Step 6: Final answer
    x = 13,779.86

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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.