Home / 27,648.30-41,472.45-18,900.30

Finding the Fourth Proportional to 27,648.30, 41,472.45 and 18,900.30

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Solution

The fourth proportional to 27,648.30, 41,472.45 and 18,900.30 is: 28,350.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,648.30 : 41,472.45 = 18,900.30 : x
  2. Step 2: Convert to fraction form
    27,648.30/41,472.45 = 18,900.30/x
  3. Step 3: Cross multiply
    27,648.30x = 41,472.45 × 18,900.30
  4. Step 4: Simplify right side
    27,648.30x = 783,841,746.74
  5. Step 5: Solve for x
    x = 783,841,746.74/27,648.30
  6. Step 6: Final answer
    x = 28,350.45

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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.