Home / 25,618.95-38,457.23-19,801.35

Finding the Fourth Proportional to 25,618.95, 38,457.23 and 19,801.35

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Solution

The fourth proportional to 25,618.95, 38,457.23 and 19,801.35 is: 29,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,618.95 : 38,457.23 = 19,801.35 : x
  2. Step 2: Convert to fraction form
    25,618.95/38,457.23 = 19,801.35/x
  3. Step 3: Cross multiply
    25,618.95x = 38,457.23 × 19,801.35
  4. Step 4: Simplify right side
    25,618.95x = 761,504,972.25
  5. Step 5: Solve for x
    x = 761,504,972.25/25,618.95
  6. Step 6: Final answer
    x = 29,724.29

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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.