Home / 25,938.15-35,939.20-25,377.63

Finding the Fourth Proportional to 25,938.15, 35,939.20 and 25,377.63

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Solution

The fourth proportional to 25,938.15, 35,939.20 and 25,377.63 is: 35,162.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938.15 : 35,939.20 = 25,377.63 : x
  2. Step 2: Convert to fraction form
    25,938.15/35,939.20 = 25,377.63/x
  3. Step 3: Cross multiply
    25,938.15x = 35,939.20 × 25,377.63
  4. Step 4: Simplify right side
    25,938.15x = 912,051,720.10
  5. Step 5: Solve for x
    x = 912,051,720.10/25,938.15
  6. Step 6: Final answer
    x = 35,162.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.