Home / 26,424-36,465.28-14,487.36

Finding the Fourth Proportional to 26,424, 36,465.28 and 14,487.36

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Solution

The fourth proportional to 26,424, 36,465.28 and 14,487.36 is: 19,992.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,424 : 36,465.28 = 14,487.36 : x
  2. Step 2: Convert to fraction form
    26,424/36,465.28 = 14,487.36/x
  3. Step 3: Cross multiply
    26,424x = 36,465.28 × 14,487.36
  4. Step 4: Simplify right side
    26,424x = 528,285,638.86
  5. Step 5: Solve for x
    x = 528,285,638.86/26,424
  6. Step 6: Final answer
    x = 19,992.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.