Home / 28,110.30-42,165.45-10,584.06

Finding the Fourth Proportional to 28,110.30, 42,165.45 and 10,584.06

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Solution

The fourth proportional to 28,110.30, 42,165.45 and 10,584.06 is: 15,876.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,110.30 : 42,165.45 = 10,584.06 : x
  2. Step 2: Convert to fraction form
    28,110.30/42,165.45 = 10,584.06/x
  3. Step 3: Cross multiply
    28,110.30x = 42,165.45 × 10,584.06
  4. Step 4: Simplify right side
    28,110.30x = 446,281,652.73
  5. Step 5: Solve for x
    x = 446,281,652.73/28,110.30
  6. Step 6: Final answer
    x = 15,876.09

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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.