Home / 18,385.60-27,588-17,394.24

Finding the Fourth Proportional to 18,385.60, 27,588 and 17,394.24

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Solution

The fourth proportional to 18,385.60, 27,588 and 17,394.24 is: 26,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.60 : 27,588 = 17,394.24 : x
  2. Step 2: Convert to fraction form
    18,385.60/27,588 = 17,394.24/x
  3. Step 3: Cross multiply
    18,385.60x = 27,588 × 17,394.24
  4. Step 4: Simplify right side
    18,385.60x = 479,872,293.12
  5. Step 5: Solve for x
    x = 479,872,293.12/18,385.60
  6. Step 6: Final answer
    x = 26,100.44

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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.