Home / 20,258.46-27,953.28-13,533.30

Finding the Fourth Proportional to 20,258.46, 27,953.28 and 13,533.30

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Solution

The fourth proportional to 20,258.46, 27,953.28 and 13,533.30 is: 18,673.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258.46 : 27,953.28 = 13,533.30 : x
  2. Step 2: Convert to fraction form
    20,258.46/27,953.28 = 13,533.30/x
  3. Step 3: Cross multiply
    20,258.46x = 27,953.28 × 13,533.30
  4. Step 4: Simplify right side
    20,258.46x = 378,300,124.22
  5. Step 5: Solve for x
    x = 378,300,124.22/20,258.46
  6. Step 6: Final answer
    x = 18,673.69

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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.