Home / 26,860.32-40,303.68-12,079.68

Finding the Fourth Proportional to 26,860.32, 40,303.68 and 12,079.68

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Solution

The fourth proportional to 26,860.32, 40,303.68 and 12,079.68 is: 18,125.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,860.32 : 40,303.68 = 12,079.68 : x
  2. Step 2: Convert to fraction form
    26,860.32/40,303.68 = 12,079.68/x
  3. Step 3: Cross multiply
    26,860.32x = 40,303.68 × 12,079.68
  4. Step 4: Simplify right side
    26,860.32x = 486,855,557.22
  5. Step 5: Solve for x
    x = 486,855,557.22/26,860.32
  6. Step 6: Final answer
    x = 18,125.46

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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.