Home / 21,509.55-32,212.49-19,047.15

Finding the Fourth Proportional to 21,509.55, 32,212.49 and 19,047.15

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Solution

The fourth proportional to 21,509.55, 32,212.49 and 19,047.15 is: 28,524.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.55 : 32,212.49 = 19,047.15 : x
  2. Step 2: Convert to fraction form
    21,509.55/32,212.49 = 19,047.15/x
  3. Step 3: Cross multiply
    21,509.55x = 32,212.49 × 19,047.15
  4. Step 4: Simplify right side
    21,509.55x = 613,556,033.67
  5. Step 5: Solve for x
    x = 613,556,033.67/21,509.55
  6. Step 6: Final answer
    x = 28,524.82

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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.