Home / 26,648.76-39,999.06-12,807.48

Finding the Fourth Proportional to 26,648.76, 39,999.06 and 12,807.48

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Solution

The fourth proportional to 26,648.76, 39,999.06 and 12,807.48 is: 19,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,648.76 : 39,999.06 = 12,807.48 : x
  2. Step 2: Convert to fraction form
    26,648.76/39,999.06 = 12,807.48/x
  3. Step 3: Cross multiply
    26,648.76x = 39,999.06 × 12,807.48
  4. Step 4: Simplify right side
    26,648.76x = 512,287,160.97
  5. Step 5: Solve for x
    x = 512,287,160.97/26,648.76
  6. Step 6: Final answer
    x = 19,223.68

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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.