Home / 31,725.68-47,608.26-28,769.45

Finding the Fourth Proportional to 31,725.68, 47,608.26 and 28,769.45

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Solution

The fourth proportional to 31,725.68, 47,608.26 and 28,769.45 is: 43,172.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.68 : 47,608.26 = 28,769.45 : x
  2. Step 2: Convert to fraction form
    31,725.68/47,608.26 = 28,769.45/x
  3. Step 3: Cross multiply
    31,725.68x = 47,608.26 × 28,769.45
  4. Step 4: Simplify right side
    31,725.68x = 1,369,663,511.42
  5. Step 5: Solve for x
    x = 1,369,663,511.42/31,725.68
  6. Step 6: Final answer
    x = 43,172.08

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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.