Home / 28,082.74-42,094.95-11,435.62

Finding the Fourth Proportional to 28,082.74, 42,094.95 and 11,435.62

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Solution

The fourth proportional to 28,082.74, 42,094.95 and 11,435.62 is: 17,141.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.74 : 42,094.95 = 11,435.62 : x
  2. Step 2: Convert to fraction form
    28,082.74/42,094.95 = 11,435.62/x
  3. Step 3: Cross multiply
    28,082.74x = 42,094.95 × 11,435.62
  4. Step 4: Simplify right side
    28,082.74x = 481,381,852.12
  5. Step 5: Solve for x
    x = 481,381,852.12/28,082.74
  6. Step 6: Final answer
    x = 17,141.56

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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.