Home / 23,421.11-35,130.58-8,629.02

Finding the Fourth Proportional to 23,421.11, 35,130.58 and 8,629.02

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Solution

The fourth proportional to 23,421.11, 35,130.58 and 8,629.02 is: 12,943.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,421.11 : 35,130.58 = 8,629.02 : x
  2. Step 2: Convert to fraction form
    23,421.11/35,130.58 = 8,629.02/x
  3. Step 3: Cross multiply
    23,421.11x = 35,130.58 × 8,629.02
  4. Step 4: Simplify right side
    23,421.11x = 303,142,455.86
  5. Step 5: Solve for x
    x = 303,142,455.86/23,421.11
  6. Step 6: Final answer
    x = 12,943.13

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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.