Home / 21,525.07-32,286.72-7,488.27

Finding the Fourth Proportional to 21,525.07, 32,286.72 and 7,488.27

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Solution

The fourth proportional to 21,525.07, 32,286.72 and 7,488.27 is: 11,232.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,525.07 : 32,286.72 = 7,488.27 : x
  2. Step 2: Convert to fraction form
    21,525.07/32,286.72 = 7,488.27/x
  3. Step 3: Cross multiply
    21,525.07x = 32,286.72 × 7,488.27
  4. Step 4: Simplify right side
    21,525.07x = 241,771,676.77
  5. Step 5: Solve for x
    x = 241,771,676.77/21,525.07
  6. Step 6: Final answer
    x = 11,232.10

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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.