Home / 21,352.64-32,003.04-15,114.48

Finding the Fourth Proportional to 21,352.64, 32,003.04 and 15,114.48

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Solution

The fourth proportional to 21,352.64, 32,003.04 and 15,114.48 is: 22,653.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,352.64 : 32,003.04 = 15,114.48 : x
  2. Step 2: Convert to fraction form
    21,352.64/32,003.04 = 15,114.48/x
  3. Step 3: Cross multiply
    21,352.64x = 32,003.04 × 15,114.48
  4. Step 4: Simplify right side
    21,352.64x = 483,709,308.02
  5. Step 5: Solve for x
    x = 483,709,308.02/21,352.64
  6. Step 6: Final answer
    x = 22,653.37

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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.