Home / 25,570.70-38,356.05-8,045.90

Finding the Fourth Proportional to 25,570.70, 38,356.05 and 8,045.90

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Solution

The fourth proportional to 25,570.70, 38,356.05 and 8,045.90 is: 12,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,570.70 : 38,356.05 = 8,045.90 : x
  2. Step 2: Convert to fraction form
    25,570.70/38,356.05 = 8,045.90/x
  3. Step 3: Cross multiply
    25,570.70x = 38,356.05 × 8,045.90
  4. Step 4: Simplify right side
    25,570.70x = 308,608,942.70
  5. Step 5: Solve for x
    x = 308,608,942.70/25,570.70
  6. Step 6: Final answer
    x = 12,068.85

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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.