Home / 28,747.08-39,654.78-17,259.06

Finding the Fourth Proportional to 28,747.08, 39,654.78 and 17,259.06

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Solution

The fourth proportional to 28,747.08, 39,654.78 and 17,259.06 is: 23,807.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,747.08 : 39,654.78 = 17,259.06 : x
  2. Step 2: Convert to fraction form
    28,747.08/39,654.78 = 17,259.06/x
  3. Step 3: Cross multiply
    28,747.08x = 39,654.78 × 17,259.06
  4. Step 4: Simplify right side
    28,747.08x = 684,404,227.31
  5. Step 5: Solve for x
    x = 684,404,227.31/28,747.08
  6. Step 6: Final answer
    x = 23,807.78

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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.