Home / 38,008.20-56,915.10-28,093.80

Finding the Fourth Proportional to 38,008.20, 56,915.10 and 28,093.80

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Solution

The fourth proportional to 38,008.20, 56,915.10 and 28,093.80 is: 42,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,008.20 : 56,915.10 = 28,093.80 : x
  2. Step 2: Convert to fraction form
    38,008.20/56,915.10 = 28,093.80/x
  3. Step 3: Cross multiply
    38,008.20x = 56,915.10 × 28,093.80
  4. Step 4: Simplify right side
    38,008.20x = 1,598,961,436.38
  5. Step 5: Solve for x
    x = 1,598,961,436.38/38,008.20
  6. Step 6: Final answer
    x = 42,068.85

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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.