Home / 24,427.36-33,715.20-20,228.32

Finding the Fourth Proportional to 24,427.36, 33,715.20 and 20,228.32

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Solution

The fourth proportional to 24,427.36, 33,715.20 and 20,228.32 is: 27,919.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,427.36 : 33,715.20 = 20,228.32 : x
  2. Step 2: Convert to fraction form
    24,427.36/33,715.20 = 20,228.32/x
  3. Step 3: Cross multiply
    24,427.36x = 33,715.20 × 20,228.32
  4. Step 4: Simplify right side
    24,427.36x = 682,001,854.46
  5. Step 5: Solve for x
    x = 682,001,854.46/24,427.36
  6. Step 6: Final answer
    x = 27,919.59

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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.