Home / 21,358.16-32,023.44-8,886.78

Finding the Fourth Proportional to 21,358.16, 32,023.44 and 8,886.78

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Solution

The fourth proportional to 21,358.16, 32,023.44 and 8,886.78 is: 13,324.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.16 : 32,023.44 = 8,886.78 : x
  2. Step 2: Convert to fraction form
    21,358.16/32,023.44 = 8,886.78/x
  3. Step 3: Cross multiply
    21,358.16x = 32,023.44 × 8,886.78
  4. Step 4: Simplify right side
    21,358.16x = 284,585,266.12
  5. Step 5: Solve for x
    x = 284,585,266.12/21,358.16
  6. Step 6: Final answer
    x = 13,324.43

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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.