Home / 26,910.10-40,365.15-21,071.70

Finding the Fourth Proportional to 26,910.10, 40,365.15 and 21,071.70

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Solution

The fourth proportional to 26,910.10, 40,365.15 and 21,071.70 is: 31,607.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,910.10 : 40,365.15 = 21,071.70 : x
  2. Step 2: Convert to fraction form
    26,910.10/40,365.15 = 21,071.70/x
  3. Step 3: Cross multiply
    26,910.10x = 40,365.15 × 21,071.70
  4. Step 4: Simplify right side
    26,910.10x = 850,562,331.26
  5. Step 5: Solve for x
    x = 850,562,331.26/26,910.10
  6. Step 6: Final answer
    x = 31,607.55

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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.