Home / 26,860.90-40,305.15-20,327.14

Finding the Fourth Proportional to 26,860.90, 40,305.15 and 20,327.14

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Solution

The fourth proportional to 26,860.90, 40,305.15 and 20,327.14 is: 30,501.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.90 : 40,305.15 = 20,327.14 : x
  2. Step 2: Convert to fraction form
    26,860.90/40,305.15 = 20,327.14/x
  3. Step 3: Cross multiply
    26,860.90x = 40,305.15 × 20,327.14
  4. Step 4: Simplify right side
    26,860.90x = 819,288,426.77
  5. Step 5: Solve for x
    x = 819,288,426.77/26,860.90
  6. Step 6: Final answer
    x = 30,501.15

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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.