Home / 26,435.80-39,659.10-8,907.40

Finding the Fourth Proportional to 26,435.80, 39,659.10 and 8,907.40

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Solution

The fourth proportional to 26,435.80, 39,659.10 and 8,907.40 is: 13,362.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,435.80 : 39,659.10 = 8,907.40 : x
  2. Step 2: Convert to fraction form
    26,435.80/39,659.10 = 8,907.40/x
  3. Step 3: Cross multiply
    26,435.80x = 39,659.10 × 8,907.40
  4. Step 4: Simplify right side
    26,435.80x = 353,259,467.34
  5. Step 5: Solve for x
    x = 353,259,467.34/26,435.80
  6. Step 6: Final answer
    x = 13,362.92

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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.