Home / 26,728.74-40,108.86-14,257.98

Finding the Fourth Proportional to 26,728.74, 40,108.86 and 14,257.98

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Solution

The fourth proportional to 26,728.74, 40,108.86 and 14,257.98 is: 21,395.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.74 : 40,108.86 = 14,257.98 : x
  2. Step 2: Convert to fraction form
    26,728.74/40,108.86 = 14,257.98/x
  3. Step 3: Cross multiply
    26,728.74x = 40,108.86 × 14,257.98
  4. Step 4: Simplify right side
    26,728.74x = 571,871,323.70
  5. Step 5: Solve for x
    x = 571,871,323.70/26,728.74
  6. Step 6: Final answer
    x = 21,395.37

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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.