Home / 56,423.27-84,588.71-28,309.38

Finding the Fourth Proportional to 56,423.27, 84,588.71 and 28,309.38

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Solution

The fourth proportional to 56,423.27, 84,588.71 and 28,309.38 is: 42,440.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,423.27 : 84,588.71 = 28,309.38 : x
  2. Step 2: Convert to fraction form
    56,423.27/84,588.71 = 28,309.38/x
  3. Step 3: Cross multiply
    56,423.27x = 84,588.71 × 28,309.38
  4. Step 4: Simplify right side
    56,423.27x = 2,394,653,793.55
  5. Step 5: Solve for x
    x = 2,394,653,793.55/56,423.27
  6. Step 6: Final answer
    x = 42,440.89

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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.