Home / 28,265.03-39,005.90-17,660.82

Finding the Fourth Proportional to 28,265.03, 39,005.90 and 17,660.82

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Solution

The fourth proportional to 28,265.03, 39,005.90 and 17,660.82 is: 24,372.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,265.03 : 39,005.90 = 17,660.82 : x
  2. Step 2: Convert to fraction form
    28,265.03/39,005.90 = 17,660.82/x
  3. Step 3: Cross multiply
    28,265.03x = 39,005.90 × 17,660.82
  4. Step 4: Simplify right side
    28,265.03x = 688,876,178.84
  5. Step 5: Solve for x
    x = 688,876,178.84/28,265.03
  6. Step 6: Final answer
    x = 24,372.03

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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.