Home / 22,258.92-30,715.56-12,828.24

Finding the Fourth Proportional to 22,258.92, 30,715.56 and 12,828.24

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Solution

The fourth proportional to 22,258.92, 30,715.56 and 12,828.24 is: 17,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,258.92 : 30,715.56 = 12,828.24 : x
  2. Step 2: Convert to fraction form
    22,258.92/30,715.56 = 12,828.24/x
  3. Step 3: Cross multiply
    22,258.92x = 30,715.56 × 12,828.24
  4. Step 4: Simplify right side
    22,258.92x = 394,026,575.41
  5. Step 5: Solve for x
    x = 394,026,575.41/22,258.92
  6. Step 6: Final answer
    x = 17,701.96

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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.