Home / 28,082.99-42,095.32-11,435.87

Finding the Fourth Proportional to 28,082.99, 42,095.32 and 11,435.87

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Solution

The fourth proportional to 28,082.99, 42,095.32 and 11,435.87 is: 17,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.99 : 42,095.32 = 11,435.87 : x
  2. Step 2: Convert to fraction form
    28,082.99/42,095.32 = 11,435.87/x
  3. Step 3: Cross multiply
    28,082.99x = 42,095.32 × 11,435.87
  4. Step 4: Simplify right side
    28,082.99x = 481,396,607.13
  5. Step 5: Solve for x
    x = 481,396,607.13/28,082.99
  6. Step 6: Final answer
    x = 17,141.93

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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.