Home / 22,909.66-34,520.56-18,840.82

Finding the Fourth Proportional to 22,909.66, 34,520.56 and 18,840.82

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Solution

The fourth proportional to 22,909.66, 34,520.56 and 18,840.82 is: 28,389.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,909.66 : 34,520.56 = 18,840.82 : x
  2. Step 2: Convert to fraction form
    22,909.66/34,520.56 = 18,840.82/x
  3. Step 3: Cross multiply
    22,909.66x = 34,520.56 × 18,840.82
  4. Step 4: Simplify right side
    22,909.66x = 650,395,657.26
  5. Step 5: Solve for x
    x = 650,395,657.26/22,909.66
  6. Step 6: Final answer
    x = 28,389.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.