Home / 28,545.63-42,825.58-10,776.25

Finding the Fourth Proportional to 28,545.63, 42,825.58 and 10,776.25

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Solution

The fourth proportional to 28,545.63, 42,825.58 and 10,776.25 is: 16,167.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,545.63 : 42,825.58 = 10,776.25 : x
  2. Step 2: Convert to fraction form
    28,545.63/42,825.58 = 10,776.25/x
  3. Step 3: Cross multiply
    28,545.63x = 42,825.58 × 10,776.25
  4. Step 4: Simplify right side
    28,545.63x = 461,499,183.07
  5. Step 5: Solve for x
    x = 461,499,183.07/28,545.63
  6. Step 6: Final answer
    x = 16,167.07

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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.