Home / 26,675.72-40,003.98-9,140.84

Finding the Fourth Proportional to 26,675.72, 40,003.98 and 9,140.84

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Solution

The fourth proportional to 26,675.72, 40,003.98 and 9,140.84 is: 13,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,675.72 : 40,003.98 = 9,140.84 : x
  2. Step 2: Convert to fraction form
    26,675.72/40,003.98 = 9,140.84/x
  3. Step 3: Cross multiply
    26,675.72x = 40,003.98 × 9,140.84
  4. Step 4: Simplify right side
    26,675.72x = 365,669,980.54
  5. Step 5: Solve for x
    x = 365,669,980.54/26,675.72
  6. Step 6: Final answer
    x = 13,707.97

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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.