Home / 23,008.45-31,707.73-19,820.74

Finding the Fourth Proportional to 23,008.45, 31,707.73 and 19,820.74

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Solution

The fourth proportional to 23,008.45, 31,707.73 and 19,820.74 is: 27,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,008.45 : 31,707.73 = 19,820.74 : x
  2. Step 2: Convert to fraction form
    23,008.45/31,707.73 = 19,820.74/x
  3. Step 3: Cross multiply
    23,008.45x = 31,707.73 × 19,820.74
  4. Step 4: Simplify right side
    23,008.45x = 628,470,672.32
  5. Step 5: Solve for x
    x = 628,470,672.32/23,008.45
  6. Step 6: Final answer
    x = 27,314.78

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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.