Home / 21,425.72-32,137.36-5,842.13

Finding the Fourth Proportional to 21,425.72, 32,137.36 and 5,842.13

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Solution

The fourth proportional to 21,425.72, 32,137.36 and 5,842.13 is: 8,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,425.72 : 32,137.36 = 5,842.13 : x
  2. Step 2: Convert to fraction form
    21,425.72/32,137.36 = 5,842.13/x
  3. Step 3: Cross multiply
    21,425.72x = 32,137.36 × 5,842.13
  4. Step 4: Simplify right side
    21,425.72x = 187,750,459.68
  5. Step 5: Solve for x
    x = 187,750,459.68/21,425.72
  6. Step 6: Final answer
    x = 8,762.86

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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.