Home / 21,666.25-32,499.38-5,250.25

Finding the Fourth Proportional to 21,666.25, 32,499.38 and 5,250.25

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Solution

The fourth proportional to 21,666.25, 32,499.38 and 5,250.25 is: 7,875.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.25 : 32,499.38 = 5,250.25 : x
  2. Step 2: Convert to fraction form
    21,666.25/32,499.38 = 5,250.25/x
  3. Step 3: Cross multiply
    21,666.25x = 32,499.38 × 5,250.25
  4. Step 4: Simplify right side
    21,666.25x = 170,629,869.85
  5. Step 5: Solve for x
    x = 170,629,869.85/21,666.25
  6. Step 6: Final answer
    x = 7,875.38

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1.5x scale

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.