Home / 27,424.31-41,123.50-12,628.85

Finding the Fourth Proportional to 27,424.31, 41,123.50 and 12,628.85

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Solution

The fourth proportional to 27,424.31, 41,123.50 and 12,628.85 is: 18,937.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,424.31 : 41,123.50 = 12,628.85 : x
  2. Step 2: Convert to fraction form
    27,424.31/41,123.50 = 12,628.85/x
  3. Step 3: Cross multiply
    27,424.31x = 41,123.50 × 12,628.85
  4. Step 4: Simplify right side
    27,424.31x = 519,342,275.79
  5. Step 5: Solve for x
    x = 519,342,275.79/27,424.31
  6. Step 6: Final answer
    x = 18,937.30

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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.