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Finding the Fourth Proportional to 25,704.96, 35,475.96 and 15,095.56

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Solution

The fourth proportional to 25,704.96, 35,475.96 and 15,095.56 is: 20,833.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,704.96 : 35,475.96 = 15,095.56 : x
  2. Step 2: Convert to fraction form
    25,704.96/35,475.96 = 15,095.56/x
  3. Step 3: Cross multiply
    25,704.96x = 35,475.96 × 15,095.56
  4. Step 4: Simplify right side
    25,704.96x = 535,529,482.74
  5. Step 5: Solve for x
    x = 535,529,482.74/25,704.96
  6. Step 6: Final answer
    x = 20,833.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.