Home / 19,422.43-26,738.15-18,529.77

Finding the Fourth Proportional to 19,422.43, 26,738.15 and 18,529.77

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Solution

The fourth proportional to 19,422.43, 26,738.15 and 18,529.77 is: 25,509.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,422.43 : 26,738.15 = 18,529.77 : x
  2. Step 2: Convert to fraction form
    19,422.43/26,738.15 = 18,529.77/x
  3. Step 3: Cross multiply
    19,422.43x = 26,738.15 × 18,529.77
  4. Step 4: Simplify right side
    19,422.43x = 495,451,881.57
  5. Step 5: Solve for x
    x = 495,451,881.57/19,422.43
  6. Step 6: Final answer
    x = 25,509.27

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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.