Home / 28,362.87-42,549.37-9,641.92

Finding the Fourth Proportional to 28,362.87, 42,549.37 and 9,641.92

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Solution

The fourth proportional to 28,362.87, 42,549.37 and 9,641.92 is: 14,464.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,362.87 : 42,549.37 = 9,641.92 : x
  2. Step 2: Convert to fraction form
    28,362.87/42,549.37 = 9,641.92/x
  3. Step 3: Cross multiply
    28,362.87x = 42,549.37 × 9,641.92
  4. Step 4: Simplify right side
    28,362.87x = 410,257,650.67
  5. Step 5: Solve for x
    x = 410,257,650.67/28,362.87
  6. Step 6: Final answer
    x = 14,464.60

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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.