Home / 28,945.67-43,432.47-25,204.55

Finding the Fourth Proportional to 28,945.67, 43,432.47 and 25,204.55

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Solution

The fourth proportional to 28,945.67, 43,432.47 and 25,204.55 is: 37,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.67 : 43,432.47 = 25,204.55 : x
  2. Step 2: Convert to fraction form
    28,945.67/43,432.47 = 25,204.55/x
  3. Step 3: Cross multiply
    28,945.67x = 43,432.47 × 25,204.55
  4. Step 4: Simplify right side
    28,945.67x = 1,094,695,861.74
  5. Step 5: Solve for x
    x = 1,094,695,861.74/28,945.67
  6. Step 6: Final answer
    x = 37,818.99

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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.