Home / 21,623.52-32,435.28-5,207.52

Finding the Fourth Proportional to 21,623.52, 32,435.28 and 5,207.52

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Solution

The fourth proportional to 21,623.52, 32,435.28 and 5,207.52 is: 7,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,623.52 : 32,435.28 = 5,207.52 : x
  2. Step 2: Convert to fraction form
    21,623.52/32,435.28 = 5,207.52/x
  3. Step 3: Cross multiply
    21,623.52x = 32,435.28 × 5,207.52
  4. Step 4: Simplify right side
    21,623.52x = 168,907,369.31
  5. Step 5: Solve for x
    x = 168,907,369.31/21,623.52
  6. Step 6: Final answer
    x = 7,811.28

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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.