Home / 26,391.86-36,420.77-14,455.22

Finding the Fourth Proportional to 26,391.86, 36,420.77 and 14,455.22

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Solution

The fourth proportional to 26,391.86, 36,420.77 and 14,455.22 is: 19,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,391.86 : 36,420.77 = 14,455.22 : x
  2. Step 2: Convert to fraction form
    26,391.86/36,420.77 = 14,455.22/x
  3. Step 3: Cross multiply
    26,391.86x = 36,420.77 × 14,455.22
  4. Step 4: Simplify right side
    26,391.86x = 526,469,988.54
  5. Step 5: Solve for x
    x = 526,469,988.54/26,391.86
  6. Step 6: Final answer
    x = 19,948.20

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1.5x scale

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.