Home / 28,154.06-42,146.95-17,027.09

Finding the Fourth Proportional to 28,154.06, 42,146.95 and 17,027.09

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Solution

The fourth proportional to 28,154.06, 42,146.95 and 17,027.09 is: 25,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,154.06 : 42,146.95 = 17,027.09 : x
  2. Step 2: Convert to fraction form
    28,154.06/42,146.95 = 17,027.09/x
  3. Step 3: Cross multiply
    28,154.06x = 42,146.95 × 17,027.09
  4. Step 4: Simplify right side
    28,154.06x = 717,639,657.57
  5. Step 5: Solve for x
    x = 717,639,657.57/28,154.06
  6. Step 6: Final answer
    x = 25,489.74

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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.