Home / 21,433.76-32,150.64-5,851.40

Finding the Fourth Proportional to 21,433.76, 32,150.64 and 5,851.40

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Solution

The fourth proportional to 21,433.76, 32,150.64 and 5,851.40 is: 8,777.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,433.76 : 32,150.64 = 5,851.40 : x
  2. Step 2: Convert to fraction form
    21,433.76/32,150.64 = 5,851.40/x
  3. Step 3: Cross multiply
    21,433.76x = 32,150.64 × 5,851.40
  4. Step 4: Simplify right side
    21,433.76x = 188,126,254.90
  5. Step 5: Solve for x
    x = 188,126,254.90/21,433.76
  6. Step 6: Final answer
    x = 8,777.10

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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.