Home / 25,938.58-38,871.06-19,993

Finding the Fourth Proportional to 25,938.58, 38,871.06 and 19,993

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Solution

The fourth proportional to 25,938.58, 38,871.06 and 19,993 is: 29,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,938.58 : 38,871.06 = 19,993 : x
  2. Step 2: Convert to fraction form
    25,938.58/38,871.06 = 19,993/x
  3. Step 3: Cross multiply
    25,938.58x = 38,871.06 × 19,993
  4. Step 4: Simplify right side
    25,938.58x = 777,149,102.58
  5. Step 5: Solve for x
    x = 777,149,102.58/25,938.58
  6. Step 6: Final answer
    x = 29,961.13

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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.