Home / 26,919.70-40,365.15-11,319.70

Finding the Fourth Proportional to 26,919.70, 40,365.15 and 11,319.70

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Solution

The fourth proportional to 26,919.70, 40,365.15 and 11,319.70 is: 16,973.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,919.70 : 40,365.15 = 11,319.70 : x
  2. Step 2: Convert to fraction form
    26,919.70/40,365.15 = 11,319.70/x
  3. Step 3: Cross multiply
    26,919.70x = 40,365.15 × 11,319.70
  4. Step 4: Simplify right side
    26,919.70x = 456,921,388.46
  5. Step 5: Solve for x
    x = 456,921,388.46/26,919.70
  6. Step 6: Final answer
    x = 16,973.49

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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.