Home / 21,615.26-32,422.82-5,199.26

Finding the Fourth Proportional to 21,615.26, 32,422.82 and 5,199.26

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Solution

The fourth proportional to 21,615.26, 32,422.82 and 5,199.26 is: 7,798.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,615.26 : 32,422.82 = 5,199.26 : x
  2. Step 2: Convert to fraction form
    21,615.26/32,422.82 = 5,199.26/x
  3. Step 3: Cross multiply
    21,615.26x = 32,422.82 × 5,199.26
  4. Step 4: Simplify right side
    21,615.26x = 168,574,483.00
  5. Step 5: Solve for x
    x = 168,574,483.00/21,615.26
  6. Step 6: Final answer
    x = 7,798.87

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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.