Home / 28,368.18-42,581.22-23,422.05

Finding the Fourth Proportional to 28,368.18, 42,581.22 and 23,422.05

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Solution

The fourth proportional to 28,368.18, 42,581.22 and 23,422.05 is: 35,156.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,368.18 : 42,581.22 = 23,422.05 : x
  2. Step 2: Convert to fraction form
    28,368.18/42,581.22 = 23,422.05/x
  3. Step 3: Cross multiply
    28,368.18x = 42,581.22 × 23,422.05
  4. Step 4: Simplify right side
    28,368.18x = 997,339,463.90
  5. Step 5: Solve for x
    x = 997,339,463.90/28,368.18
  6. Step 6: Final answer
    x = 35,156.98

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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.