Home / 26,756.96-40,135.84-12,718.42

Finding the Fourth Proportional to 26,756.96, 40,135.84 and 12,718.42

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Solution

The fourth proportional to 26,756.96, 40,135.84 and 12,718.42 is: 19,077.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,756.96 : 40,135.84 = 12,718.42 : x
  2. Step 2: Convert to fraction form
    26,756.96/40,135.84 = 12,718.42/x
  3. Step 3: Cross multiply
    26,756.96x = 40,135.84 × 12,718.42
  4. Step 4: Simplify right side
    26,756.96x = 510,464,470.17
  5. Step 5: Solve for x
    x = 510,464,470.17/26,756.96
  6. Step 6: Final answer
    x = 19,077.82

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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.