Home / 22,417.43-30,939.57-14,782.97

Finding the Fourth Proportional to 22,417.43, 30,939.57 and 14,782.97

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Solution

The fourth proportional to 22,417.43, 30,939.57 and 14,782.97 is: 20,402.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,417.43 : 30,939.57 = 14,782.97 : x
  2. Step 2: Convert to fraction form
    22,417.43/30,939.57 = 14,782.97/x
  3. Step 3: Cross multiply
    22,417.43x = 30,939.57 × 14,782.97
  4. Step 4: Simplify right side
    22,417.43x = 457,378,812.47
  5. Step 5: Solve for x
    x = 457,378,812.47/22,417.43
  6. Step 6: Final answer
    x = 20,402.83

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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.