Home / 28,360.75-42,545.73-9,642.46

Finding the Fourth Proportional to 28,360.75, 42,545.73 and 9,642.46

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Solution

The fourth proportional to 28,360.75, 42,545.73 and 9,642.46 is: 14,465.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.75 : 42,545.73 = 9,642.46 : x
  2. Step 2: Convert to fraction form
    28,360.75/42,545.73 = 9,642.46/x
  3. Step 3: Cross multiply
    28,360.75x = 42,545.73 × 9,642.46
  4. Step 4: Simplify right side
    28,360.75x = 410,245,499.70
  5. Step 5: Solve for x
    x = 410,245,499.70/28,360.75
  6. Step 6: Final answer
    x = 14,465.26

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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.