Home / 20,701.60-31,052.40-16,473.40

Finding the Fourth Proportional to 20,701.60, 31,052.40 and 16,473.40

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Solution

The fourth proportional to 20,701.60, 31,052.40 and 16,473.40 is: 24,710.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.60 : 31,052.40 = 16,473.40 : x
  2. Step 2: Convert to fraction form
    20,701.60/31,052.40 = 16,473.40/x
  3. Step 3: Cross multiply
    20,701.60x = 31,052.40 × 16,473.40
  4. Step 4: Simplify right side
    20,701.60x = 511,538,606.16
  5. Step 5: Solve for x
    x = 511,538,606.16/20,701.60
  6. Step 6: Final answer
    x = 24,710.10

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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.