Home / 28,969.10-43,458.45-12,337.10

Finding the Fourth Proportional to 28,969.10, 43,458.45 and 12,337.10

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Solution

The fourth proportional to 28,969.10, 43,458.45 and 12,337.10 is: 18,507.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,969.10 : 43,458.45 = 12,337.10 : x
  2. Step 2: Convert to fraction form
    28,969.10/43,458.45 = 12,337.10/x
  3. Step 3: Cross multiply
    28,969.10x = 43,458.45 × 12,337.10
  4. Step 4: Simplify right side
    28,969.10x = 536,151,243.50
  5. Step 5: Solve for x
    x = 536,151,243.50/28,969.10
  6. Step 6: Final answer
    x = 18,507.69

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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.