Home / 21,370.53-32,041.87-7,137.25

Finding the Fourth Proportional to 21,370.53, 32,041.87 and 7,137.25

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Solution

The fourth proportional to 21,370.53, 32,041.87 and 7,137.25 is: 10,701.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,370.53 : 32,041.87 = 7,137.25 : x
  2. Step 2: Convert to fraction form
    21,370.53/32,041.87 = 7,137.25/x
  3. Step 3: Cross multiply
    21,370.53x = 32,041.87 × 7,137.25
  4. Step 4: Simplify right side
    21,370.53x = 228,690,836.66
  5. Step 5: Solve for x
    x = 228,690,836.66/21,370.53
  6. Step 6: Final answer
    x = 10,701.22

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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.