Home / 25,602.33-38,539.36-18,257.61

Finding the Fourth Proportional to 25,602.33, 38,539.36 and 18,257.61

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Solution

The fourth proportional to 25,602.33, 38,539.36 and 18,257.61 is: 27,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,602.33 : 38,539.36 = 18,257.61 : x
  2. Step 2: Convert to fraction form
    25,602.33/38,539.36 = 18,257.61/x
  3. Step 3: Cross multiply
    25,602.33x = 38,539.36 × 18,257.61
  4. Step 4: Simplify right side
    25,602.33x = 703,636,558.89
  5. Step 5: Solve for x
    x = 703,636,558.89/25,602.33
  6. Step 6: Final answer
    x = 27,483.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.