Home / 21,526.39-32,288.69-7,489.59

Finding the Fourth Proportional to 21,526.39, 32,288.69 and 7,489.59

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Solution

The fourth proportional to 21,526.39, 32,288.69 and 7,489.59 is: 11,234.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,526.39 : 32,288.69 = 7,489.59 : x
  2. Step 2: Convert to fraction form
    21,526.39/32,288.69 = 7,489.59/x
  3. Step 3: Cross multiply
    21,526.39x = 32,288.69 × 7,489.59
  4. Step 4: Simplify right side
    21,526.39x = 241,829,093.01
  5. Step 5: Solve for x
    x = 241,829,093.01/21,526.39
  6. Step 6: Final answer
    x = 11,234.08

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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.