Home / 28,857.10-43,318.05-22,312.30

Finding the Fourth Proportional to 28,857.10, 43,318.05 and 22,312.30

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Solution

The fourth proportional to 28,857.10, 43,318.05 and 22,312.30 is: 33,493.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,857.10 : 43,318.05 = 22,312.30 : x
  2. Step 2: Convert to fraction form
    28,857.10/43,318.05 = 22,312.30/x
  3. Step 3: Cross multiply
    28,857.10x = 43,318.05 × 22,312.30
  4. Step 4: Simplify right side
    28,857.10x = 966,525,327.02
  5. Step 5: Solve for x
    x = 966,525,327.02/28,857.10
  6. Step 6: Final answer
    x = 33,493.50

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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.