Home / 22,754.92-31,330.32-19,345.22

Finding the Fourth Proportional to 22,754.92, 31,330.32 and 19,345.22

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Solution

The fourth proportional to 22,754.92, 31,330.32 and 19,345.22 is: 26,635.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,754.92 : 31,330.32 = 19,345.22 : x
  2. Step 2: Convert to fraction form
    22,754.92/31,330.32 = 19,345.22/x
  3. Step 3: Cross multiply
    22,754.92x = 31,330.32 × 19,345.22
  4. Step 4: Simplify right side
    22,754.92x = 606,091,981.43
  5. Step 5: Solve for x
    x = 606,091,981.43/22,754.92
  6. Step 6: Final answer
    x = 26,635.65

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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.