Home / 31,259.95-43,158.86-27,896.99

Finding the Fourth Proportional to 31,259.95, 43,158.86 and 27,896.99

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Solution

The fourth proportional to 31,259.95, 43,158.86 and 27,896.99 is: 38,515.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,259.95 : 43,158.86 = 27,896.99 : x
  2. Step 2: Convert to fraction form
    31,259.95/43,158.86 = 27,896.99/x
  3. Step 3: Cross multiply
    31,259.95x = 43,158.86 × 27,896.99
  4. Step 4: Simplify right side
    31,259.95x = 1,204,002,197.01
  5. Step 5: Solve for x
    x = 1,204,002,197.01/31,259.95
  6. Step 6: Final answer
    x = 38,515.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.