Home / 22,997.81-31,736.68-12,927.95

Finding the Fourth Proportional to 22,997.81, 31,736.68 and 12,927.95

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Solution

The fourth proportional to 22,997.81, 31,736.68 and 12,927.95 is: 17,840.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,997.81 : 31,736.68 = 12,927.95 : x
  2. Step 2: Convert to fraction form
    22,997.81/31,736.68 = 12,927.95/x
  3. Step 3: Cross multiply
    22,997.81x = 31,736.68 × 12,927.95
  4. Step 4: Simplify right side
    22,997.81x = 410,290,212.21
  5. Step 5: Solve for x
    x = 410,290,212.21/22,997.81
  6. Step 6: Final answer
    x = 17,840.40

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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.