Home / 26,491.32-39,690.27-13,983.78

Finding the Fourth Proportional to 26,491.32, 39,690.27 and 13,983.78

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Solution

The fourth proportional to 26,491.32, 39,690.27 and 13,983.78 is: 20,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,491.32 : 39,690.27 = 13,983.78 : x
  2. Step 2: Convert to fraction form
    26,491.32/39,690.27 = 13,983.78/x
  3. Step 3: Cross multiply
    26,491.32x = 39,690.27 × 13,983.78
  4. Step 4: Simplify right side
    26,491.32x = 555,020,003.82
  5. Step 5: Solve for x
    x = 555,020,003.82/26,491.32
  6. Step 6: Final answer
    x = 20,951.01

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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.