Home / 26,465.72-39,670.88-19,435.28

Finding the Fourth Proportional to 26,465.72, 39,670.88 and 19,435.28

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Solution

The fourth proportional to 26,465.72, 39,670.88 and 19,435.28 is: 29,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,465.72 : 39,670.88 = 19,435.28 : x
  2. Step 2: Convert to fraction form
    26,465.72/39,670.88 = 19,435.28/x
  3. Step 3: Cross multiply
    26,465.72x = 39,670.88 × 19,435.28
  4. Step 4: Simplify right side
    26,465.72x = 771,014,365.12
  5. Step 5: Solve for x
    x = 771,014,365.12/26,465.72
  6. Step 6: Final answer
    x = 29,132.57

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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.