Home / 28,762.05-42,912.05-25,604.57

Finding the Fourth Proportional to 28,762.05, 42,912.05 and 25,604.57

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Solution

The fourth proportional to 28,762.05, 42,912.05 and 25,604.57 is: 38,201.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.05 : 42,912.05 = 25,604.57 : x
  2. Step 2: Convert to fraction form
    28,762.05/42,912.05 = 25,604.57/x
  3. Step 3: Cross multiply
    28,762.05x = 42,912.05 × 25,604.57
  4. Step 4: Simplify right side
    28,762.05x = 1,098,744,245.49
  5. Step 5: Solve for x
    x = 1,098,744,245.49/28,762.05
  6. Step 6: Final answer
    x = 38,201.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.