Home / 28,082.62-42,087.54-11,423.32

Finding the Fourth Proportional to 28,082.62, 42,087.54 and 11,423.32

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Solution

The fourth proportional to 28,082.62, 42,087.54 and 11,423.32 is: 17,120.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082.62 : 42,087.54 = 11,423.32 : x
  2. Step 2: Convert to fraction form
    28,082.62/42,087.54 = 11,423.32/x
  3. Step 3: Cross multiply
    28,082.62x = 42,087.54 × 11,423.32
  4. Step 4: Simplify right side
    28,082.62x = 480,779,437.43
  5. Step 5: Solve for x
    x = 480,779,437.43/28,082.62
  6. Step 6: Final answer
    x = 17,120.18

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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.