Home / 21,437.51-32,157.11-5,855.09

Finding the Fourth Proportional to 21,437.51, 32,157.11 and 5,855.09

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Solution

The fourth proportional to 21,437.51, 32,157.11 and 5,855.09 is: 8,782.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,437.51 : 32,157.11 = 5,855.09 : x
  2. Step 2: Convert to fraction form
    21,437.51/32,157.11 = 5,855.09/x
  3. Step 3: Cross multiply
    21,437.51x = 32,157.11 × 5,855.09
  4. Step 4: Simplify right side
    21,437.51x = 188,282,627.04
  5. Step 5: Solve for x
    x = 188,282,627.04/21,437.51
  6. Step 6: Final answer
    x = 8,782.86

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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.