Home / 22,708.30-31,309.32-14,628.28

Finding the Fourth Proportional to 22,708.30, 31,309.32 and 14,628.28

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Solution

The fourth proportional to 22,708.30, 31,309.32 and 14,628.28 is: 20,168.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,708.30 : 31,309.32 = 14,628.28 : x
  2. Step 2: Convert to fraction form
    22,708.30/31,309.32 = 14,628.28/x
  3. Step 3: Cross multiply
    22,708.30x = 31,309.32 × 14,628.28
  4. Step 4: Simplify right side
    22,708.30x = 458,001,499.57
  5. Step 5: Solve for x
    x = 458,001,499.57/22,708.30
  6. Step 6: Final answer
    x = 20,168.90

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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.