Home / 28,540.29-42,812.46-8,816.30

Finding the Fourth Proportional to 28,540.29, 42,812.46 and 8,816.30

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Solution

The fourth proportional to 28,540.29, 42,812.46 and 8,816.30 is: 13,225.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,540.29 : 42,812.46 = 8,816.30 : x
  2. Step 2: Convert to fraction form
    28,540.29/42,812.46 = 8,816.30/x
  3. Step 3: Cross multiply
    28,540.29x = 42,812.46 × 8,816.30
  4. Step 4: Simplify right side
    28,540.29x = 377,447,277.04
  5. Step 5: Solve for x
    x = 377,447,277.04/28,540.29
  6. Step 6: Final answer
    x = 13,225.07

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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.