Home / 21,350.64-32,000.04-15,112.48

Finding the Fourth Proportional to 21,350.64, 32,000.04 and 15,112.48

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Solution

The fourth proportional to 21,350.64, 32,000.04 and 15,112.48 is: 22,650.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,350.64 : 32,000.04 = 15,112.48 : x
  2. Step 2: Convert to fraction form
    21,350.64/32,000.04 = 15,112.48/x
  3. Step 3: Cross multiply
    21,350.64x = 32,000.04 × 15,112.48
  4. Step 4: Simplify right side
    21,350.64x = 483,599,964.50
  5. Step 5: Solve for x
    x = 483,599,964.50/21,350.64
  6. Step 6: Final answer
    x = 22,650.37

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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.