Home / 28,946.70-43,426.88-23,045.90

Finding the Fourth Proportional to 28,946.70, 43,426.88 and 23,045.90

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Solution

The fourth proportional to 28,946.70, 43,426.88 and 23,045.90 is: 34,574.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.70 : 43,426.88 = 23,045.90 : x
  2. Step 2: Convert to fraction form
    28,946.70/43,426.88 = 23,045.90/x
  3. Step 3: Cross multiply
    28,946.70x = 43,426.88 × 23,045.90
  4. Step 4: Simplify right side
    28,946.70x = 1,000,811,201.43
  5. Step 5: Solve for x
    x = 1,000,811,201.43/28,946.70
  6. Step 6: Final answer
    x = 34,574.28

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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.