Home / 28,809.60-43,197.12-11,258.52

Finding the Fourth Proportional to 28,809.60, 43,197.12 and 11,258.52

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Solution

The fourth proportional to 28,809.60, 43,197.12 and 11,258.52 is: 16,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,809.60 : 43,197.12 = 11,258.52 : x
  2. Step 2: Convert to fraction form
    28,809.60/43,197.12 = 11,258.52/x
  3. Step 3: Cross multiply
    28,809.60x = 43,197.12 × 11,258.52
  4. Step 4: Simplify right side
    28,809.60x = 486,335,639.46
  5. Step 5: Solve for x
    x = 486,335,639.46/28,809.60
  6. Step 6: Final answer
    x = 16,881.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.