Home / 28,037.67-38,695.08-17,280.38

Finding the Fourth Proportional to 28,037.67, 38,695.08 and 17,280.38

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Solution

The fourth proportional to 28,037.67, 38,695.08 and 17,280.38 is: 23,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.67 : 38,695.08 = 17,280.38 : x
  2. Step 2: Convert to fraction form
    28,037.67/38,695.08 = 17,280.38/x
  3. Step 3: Cross multiply
    28,037.67x = 38,695.08 × 17,280.38
  4. Step 4: Simplify right side
    28,037.67x = 668,665,493.06
  5. Step 5: Solve for x
    x = 668,665,493.06/28,037.67
  6. Step 6: Final answer
    x = 23,848.83

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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.