Home / 28,144.55-42,161.35-22,885.50

Finding the Fourth Proportional to 28,144.55, 42,161.35 and 22,885.50

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Solution

The fourth proportional to 28,144.55, 42,161.35 and 22,885.50 is: 34,283.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,144.55 : 42,161.35 = 22,885.50 : x
  2. Step 2: Convert to fraction form
    28,144.55/42,161.35 = 22,885.50/x
  3. Step 3: Cross multiply
    28,144.55x = 42,161.35 × 22,885.50
  4. Step 4: Simplify right side
    28,144.55x = 964,883,575.43
  5. Step 5: Solve for x
    x = 964,883,575.43/28,144.55
  6. Step 6: Final answer
    x = 34,283.14

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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.