Home / 18,057.60-24,848.64-15,966.72

Finding the Fourth Proportional to 18,057.60, 24,848.64 and 15,966.72

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Solution

The fourth proportional to 18,057.60, 24,848.64 and 15,966.72 is: 21,971.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,057.60 : 24,848.64 = 15,966.72 : x
  2. Step 2: Convert to fraction form
    18,057.60/24,848.64 = 15,966.72/x
  3. Step 3: Cross multiply
    18,057.60x = 24,848.64 × 15,966.72
  4. Step 4: Simplify right side
    18,057.60x = 396,751,277.26
  5. Step 5: Solve for x
    x = 396,751,277.26/18,057.60
  6. Step 6: Final answer
    x = 21,971.43

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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.