Home / 26,143.50-39,216.77-9,503.47

Finding the Fourth Proportional to 26,143.50, 39,216.77 and 9,503.47

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Solution

The fourth proportional to 26,143.50, 39,216.77 and 9,503.47 is: 14,255.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,143.50 : 39,216.77 = 9,503.47 : x
  2. Step 2: Convert to fraction form
    26,143.50/39,216.77 = 9,503.47/x
  3. Step 3: Cross multiply
    26,143.50x = 39,216.77 × 9,503.47
  4. Step 4: Simplify right side
    26,143.50x = 372,695,153.59
  5. Step 5: Solve for x
    x = 372,695,153.59/26,143.50
  6. Step 6: Final answer
    x = 14,255.75

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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.