Home / 26,910.48-37,134-19,840.80

Finding the Fourth Proportional to 26,910.48, 37,134 and 19,840.80

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Solution

The fourth proportional to 26,910.48, 37,134 and 19,840.80 is: 27,378.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.48 : 37,134 = 19,840.80 : x
  2. Step 2: Convert to fraction form
    26,910.48/37,134 = 19,840.80/x
  3. Step 3: Cross multiply
    26,910.48x = 37,134 × 19,840.80
  4. Step 4: Simplify right side
    26,910.48x = 736,768,267.20
  5. Step 5: Solve for x
    x = 736,768,267.20/26,910.48
  6. Step 6: Final answer
    x = 27,378.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.