Home / 26,989.47-40,483.05-9,221.72

Finding the Fourth Proportional to 26,989.47, 40,483.05 and 9,221.72

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Solution

The fourth proportional to 26,989.47, 40,483.05 and 9,221.72 is: 13,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.47 : 40,483.05 = 9,221.72 : x
  2. Step 2: Convert to fraction form
    26,989.47/40,483.05 = 9,221.72/x
  3. Step 3: Cross multiply
    26,989.47x = 40,483.05 × 9,221.72
  4. Step 4: Simplify right side
    26,989.47x = 373,323,351.85
  5. Step 5: Solve for x
    x = 373,323,351.85/26,989.47
  6. Step 6: Final answer
    x = 13,832.19

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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.