Home / 34,428.38-47,505.36-20,284.04

Finding the Fourth Proportional to 34,428.38, 47,505.36 and 20,284.04

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Solution

The fourth proportional to 34,428.38, 47,505.36 and 20,284.04 is: 27,988.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,428.38 : 47,505.36 = 20,284.04 : x
  2. Step 2: Convert to fraction form
    34,428.38/47,505.36 = 20,284.04/x
  3. Step 3: Cross multiply
    34,428.38x = 47,505.36 × 20,284.04
  4. Step 4: Simplify right side
    34,428.38x = 963,600,622.45
  5. Step 5: Solve for x
    x = 963,600,622.45/34,428.38
  6. Step 6: Final answer
    x = 27,988.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.