Home / 21,621.03-32,431.39-10,066.28

Finding the Fourth Proportional to 21,621.03, 32,431.39 and 10,066.28

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Solution

The fourth proportional to 21,621.03, 32,431.39 and 10,066.28 is: 15,099.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621.03 : 32,431.39 = 10,066.28 : x
  2. Step 2: Convert to fraction form
    21,621.03/32,431.39 = 10,066.28/x
  3. Step 3: Cross multiply
    21,621.03x = 32,431.39 × 10,066.28
  4. Step 4: Simplify right side
    21,621.03x = 326,463,265.21
  5. Step 5: Solve for x
    x = 326,463,265.21/21,621.03
  6. Step 6: Final answer
    x = 15,099.34

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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.