Home / 22,818.54-31,559.58-20,459.82

Finding the Fourth Proportional to 22,818.54, 31,559.58 and 20,459.82

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Solution

The fourth proportional to 22,818.54, 31,559.58 and 20,459.82 is: 28,297.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,818.54 : 31,559.58 = 20,459.82 : x
  2. Step 2: Convert to fraction form
    22,818.54/31,559.58 = 20,459.82/x
  3. Step 3: Cross multiply
    22,818.54x = 31,559.58 × 20,459.82
  4. Step 4: Simplify right side
    22,818.54x = 645,703,326.08
  5. Step 5: Solve for x
    x = 645,703,326.08/22,818.54
  6. Step 6: Final answer
    x = 28,297.31

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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.