Home / 22,558.42-31,140.75-14,503.78

Finding the Fourth Proportional to 22,558.42, 31,140.75 and 14,503.78

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Solution

The fourth proportional to 22,558.42, 31,140.75 and 14,503.78 is: 20,021.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,558.42 : 31,140.75 = 14,503.78 : x
  2. Step 2: Convert to fraction form
    22,558.42/31,140.75 = 14,503.78/x
  3. Step 3: Cross multiply
    22,558.42x = 31,140.75 × 14,503.78
  4. Step 4: Simplify right side
    22,558.42x = 451,658,587.04
  5. Step 5: Solve for x
    x = 451,658,587.04/22,558.42
  6. Step 6: Final answer
    x = 20,021.73

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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.